Climatological Report (Annual)
Issued by NWS Little Rock, AR

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CXUS54 KLZK 020306
CLALZK


CLIMATE REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
901 PM CST MON JAN 1 2018

...................................

...THE NORTH LITTLE ROCK CLIMATE SUMMARY FOR THE YEAR OF 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1975 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             111   08/03/2011
                        08/30/2000
 LOW               -6   01/20/1985
HIGHEST            96   07/25        73      23       98  07/22
                        07/23
LOWEST             12   01/07        53     -41       12  12/19
AVG. MAXIMUM     73.2              72.0     1.2     73.3
AVG. MINIMUM     55.0              53.3     1.7     55.5
MEAN             64.1              62.7     1.4     64.4
DAYS MAX >= 90     42              63.4   -21.4       79
DAYS MAX <= 32      6               4.6     1.4        3
DAYS MIN <= 32     28              41.1   -13.1       32
DAYS MIN <= 0       0               0.1    -0.1        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        79.61   2009
 MINIMUM        37.02   1995
TOTALS          51.15             50.03    1.12    52.40
DAILY AVG.       0.14              0.14    0.00     0.14
DAYS >= .01       111             107.4     3.6      103
DAYS >= .10        71              72.9    -1.9       68
DAYS >= .50        36              33.3     2.7       34
DAYS >= 1.00       15              14.8     0.2       17
GREATEST
 24 HR. TOTAL    5.45   04/29 TO 04/30

SNOWFALL (INCHES)
RECORDS
 TOTAL           19.1   1979
 24 HR TOTAL     12.0   01/06/1988 TO 01/07/1988
 SNOW DEPTH         9   12/26/2012
TOTALS            0.8               4.4    -3.6      7.2
 LIQUID EQUIV    0.08              0.60   -0.52     0.72
SINCE 7/1           T               0.5    -0.5        T
 LIQUID 7/1        MM              0.00      MM       MM
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= TRACE       5               2.9     2.1        9
DAYS >= 1.0         0               1.4    -1.4        1
GREATEST
 SNOW DEPTH         1   01/07                          7  01/22
 24 HR TOTAL      0.8   01/06 TO 01/07

DEGREE_DAYS
HEATING TOTAL    2318              3006    -688     2497
 SINCE 7/1         MM              1192      MM       MM
COOLING TOTAL    2083              2170     -87     2375
 SINCE 1/1       2083              2170     -87     2375

FREEZE DATES
RECORD
 EARLIEST     10/20/1989
 LATEST       04/19/1983
EARLIEST                        11/13
LATEST                          03/19
...................................................

WIND (MPH)
AVERAGE WIND SPEED              4.9
HIGHEST WIND SPEED/DIRECTION    20/340    DATE  11/18
HIGHEST GUST SPEED/DIRECTION    45/200    DATE  03/24

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER             MM
NUMBER OF DAYS FAIR          MM
NUMBER OF DAYS PC            MM
NUMBER OF DAYS CLOUDY        MM


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN               29     RAIN                      54
LIGHT RAIN              110     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      2
FOG                      55     FOG W/VIS <= 1/4 MILE     13
HAZE                      2

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

&&

...A Review of 2017 Weather And Climate Data for North Little Rock...

Summary
====================================================================
2017 was the coolest year at North Little Rock in two years. However,
it was still the 6th warmest year on record by average temperature.

In terms of departure from normal, the warmest months (relative to
average) were February and January, and the coolest months were
August and June.

For the second year in a row, there were no 100-degree temperatures.
There were just 28 days with freezing temperatures, which was the
least in five years.

Annual rainfall was above average for the third year in a row. The wettest
months were April and May, and the driest months were November, October,
and September.

Snowfall was below average for the first time in four years. The only
measurable snow fell on January 6th. However, there was a trace of sleet
and snow in March and in October. The sleet (which counts as snowfall)
in October was the first during the month in 24 years, and the earliest
ever recorded. Hail fell in July.

Below are averages and extremes observed during the year. Remember...most
of the data below is preliminary until certified correct by the National
Center for Environmental Information in Asheville, North Carolina.

Temperatures
==============================================================================
----------|  Average Temperatures     |--------Extremes and Dates------------|
------------------------------------------------------------------------------
Month     | High  Low   Average  DFN  | Highest/Date(s)  | Lowest/Date(s)    |
------------------------------------------------------------------------------
January   | 53.8  39.0    46.4  +5.3  | 74/31st          | 12/7th            |
------------------------------------------------------------------------------
February  | 62.9  44.7    53.8  +8.5  | 78/11th, 7th     | 26/4th            |
------------------------------------------------------------------------------
March     | 67.0  46.7    56.9  +3.0  | 85/21st          | 28/15th           |
------------------------------------------------------------------------------
April     | 74.9  55.5    65.2  +2.4  | 83/29th, 28th    | 45/27th, 7th, 6th |
------------------------------------------------------------------------------
May       | 79.1  60.0    69.5  -1.4  | 88/31st, 27th    | 47/4th            |
------------------------------------------------------------------------------
June      | 85.0  68.1    76.6  -2.1  | 90/16th          | 60/9th            |
------------------------------------------------------------------------------
July      | 90.5  72.8    81.7  -0.7  | 96/25th, 23rd    | 65/30th           |
------------------------------------------------------------------------------
August    | 85.5  70.6    78.1  -3.9  | 95/20th          | 63/25th           |
------------------------------------------------------------------------------
September | 85.3  65.7    75.5  +1.0  | 94/23rd          | 55/7th            |
------------------------------------------------------------------------------
October   | 76.0  54.3    65.1  +1.3  | 91/9th           | 34/28th           |
------------------------------------------------------------------------------
November  | 65.9  46.7    56.3  +3.5  | 82/2nd           | 32/23rd           |
------------------------------------------------------------------------------
December  | 51.8  35.5    43.7  +0.5  | 73/11th          | 14/28th           |
==============================================================================
=  Year   | 73.1  55.0    64.1  +1.4  | 96 Jul. 25th,    | 12 Jan. 7th       =
=         |                           |    Jul. 23rd     |                   =
==============================================================================
DFN - Departure from normal, or difference between the average temperature
and the 30-year average temperature (1981-2010)


Precipitation

===================================================================
Monthly Rainfall Data     |            Highest Totals             |
--------------------------|----------------------------------------
Month     | Total |  DFN  |  Calendar Day   |  24-hour Period     |
-------------------------------------------------------------------
January   |  2.30 | -1.12 |   0.84/16th     |  0.84/16th          |
-------------------------------------------------------------------
February  |  2.98 | -0.68 |   1.11/14th     |  1.52/20th-21st     |
-------------------------------------------------------------------
March     |  3.47 | -1.30 |   0.83/7th      |  1.42/6th-7th       |
-------------------------------------------------------------------
April     |  9.93 | +5.14 |   3.25/29th     |  5.45/29th-30th     |
-------------------------------------------------------------------
May       |  7.31 | +2.35 |   2.45/28th     |  2.45/28th          |
-------------------------------------------------------------------
June      |  6.12 | +2.81 |   1.65/3rd      |  1.74/3rd-4th       |
-------------------------------------------------------------------
July      |  5.61 | +1.80 |   2.44/14th     |  2.44/14th          |
-------------------------------------------------------------------
August    |  4.87 | +2.07 |   1.36/18th     |  1.43/13th-14th     |
-------------------------------------------------------------------
September |  0.28 | -3.03 |   0.21/5th      |  0.21/5th           |
-------------------------------------------------------------------
October   |  1.37 | -3.43 |   0.51/22nd     |  0.51/22nd          |
-------------------------------------------------------------------
November  |  0.41 | -4.98 |   0.29/15th     |  0.29/15th          |
-------------------------------------------------------------------
December  |  6.50 | +1.49 |   3.29/22nd     |  3.41/22nd-23rd     |
===================================================================
=Yearly   | 51.15 | +1.12 |   3.29 Dec. 22nd|  5.45 Apr. 29th-30th=
===================================================================

============================================================================
Monthly Snowfall Data                 |                                    |
(Snow, Sleet, and Hail)               |           Highest Totals           |
----------------------------------------------------------------------------
Month     | Total | DFN  | Avg. Depth  | Calendar Day  |  24-hour Period   |
-------------------------|-------------|------------------------------------
January   |  0.8  | -0.9 |     0.0     | 0.8/6th       | 0.8/6th           |
----------------------------------------------------------------------------
February  |  0.0  | -1.8 |     0.0     |               |                   |
----------------------------------------------------------------------------
March     |   T   | -0.4 |     0.0     |   T/11th      |   T/11th          |
----------------------------------------------------------------------------
April     |  0.0  |  0.0 |     0.0     |               |                   |
----------------------------------------------------------------------------
July      |   T   |  0.0 |     0.0     |   T/14th      |   T/14th          |
          |(Hail) |      |             |   (Hail)      |   (Hail)          |
----------------------------------------------------------------------------
October   |   T   |  0.0 |     0.0     |   T/27th      |   T/27th          |
----------------------------------------------------------------------------
November  |  0.0  |  0.0 |     0.0     |               |                   |
----------------------------------------------------------------------------
December  |  0.0  | -0.5 |     0.0     |               |                   |
============================================================================
=Yearly   |  0.8  | -3.6 |     0.0     | 0.8 Jan. 6th  | 0.8 Jan. 6th-7th  =
============================================================================


Summary By Month
==========================================================================
Monthly Averages |          |         |        |         |
Temperatures &   |  Warmest | Coolest |  Most  |  Least  |  Monthly/Yearly
Precipitation    |   Since  |  Since  | Since  | Since   |  Rank on Record
---------------------------------------------------------------------------
January          |          |         |        |         |
Average High     |   2012   |         |        |         |    7th Warmest
Average Low      |   2006   |         |        |         |    3rd Warmest
Average Monthly  |   2012   |         |        |         |    5th Warmest
Rainfall         |          |         |        |  2011   |   10th Driest
Snowfall         |          |         |        |  2015   |
---------------------------------------------------------------------------
February         |          |         |        |         |
Average High     |   1976   |         |        |         |     2nd Warmest
Average Low      |   2012   |         |        |         | ***Warmest
Average Monthly  |   1976   |         |        |         | ***Warmest
Rainfall         |          |         |  2015  |         |
Snowfall         |          |         |        |  2016   |
---------------------------------------------------------------------------
March            |          |         |        |         |
Average High     |          |   2015  |        |         |     6th Warmest
Average Low      |          |   2015  |        |         |     7th Warmest
Average Monthly  |          |   2015  |        |         |     6th Warmest
Rainfall         |          |         |        |  2011   |
Snowfall         |          |         |  2015  |         |
---------------------------------------------------------------------------
April            |          |         |        |         |
Average High     |   2012   |         |        |         |
Average Low      |   2012   |         |        |         |     9th Warmest
Average Monthly  |   2012   |         |        |         |
Rainfall         |          |         |  2011  |         |     3rd Wettest
Snowfall         |          |         |        |         |
---------------------------------------------------------------------------
May              |          |         |        |         |
Average High     |   2015   |         |        |         |
Average Low      |   2015   |         |        |         |
Average Monthly  |   2015   |         |        |         |
Rainfall         |          |         |  2015  |         |    10th Wettest
---------------------------------------------------------------------------
June             |          |         |        |         |
Average High     |          |   2003  |        |         |     8th Coolest
Average Low      |          |   2003  |        |         |
Average Monthly  |          |   2003  |        |         |    10th Coolest
Rainfall         |          |         |  2014  |         |
---------------------------------------------------------------------------
July             |          |         |        |         |
Average High     |          |   2014  |        |         |
Average Low      |          |   2014  |        |         |
Average Monthly  |          |   2014  |        |         |
Rainfall         |          |         |        |  2015   |     8th Wettest
---------------------------------------------------------------------------
August           |          |         |        |         |
Average High     |          |   1992  |        |         | ***Coolest
Average Low      |          |   2015  |        |         |
Average Monthly  |          |   2009  |        |         |     2nd Coolest
Rainfall         |          |         |        |  2015   |    10th Wettest
---------------------------------------------------------------------------
September        |          |         |        |         |
Average High     |          |   2012  |        |         |
Average Low      |          |   2011  |        |         |
Average Monthly  |          |   2014  |        |         |
Rainfall         |          |         |        | 2004    | ***Driest
---------------------------------------------------------------------------
October          |          |         |        |         |
Average High     |          |   2015  |        |         |     7th Warmest
Average Low      |          |   2012  |        |         |
Average Monthly  |          |   2013  |        |         |
Rainfall         |          |         |        |  2010   |    7th Driest
Snowfall         |          |         |  1993  |         |    2nd Snowiest
---------------------------------------------------------------------------
November         |          |         |        |         |
Average High     |          |   2015  |        |         |     6th Warmest
Average Low      |          |   2014  |        |         |
Average Monthly  |          |   2015  |        |         |     6th Warmest
Rainfall         |          |         |        |  1999   | ***Driest
Snowfall         |          |         |        |  2016   |
---------------------------------------------------------------------------
December         |          |         |        |         |
Average High     |   2015   |         |        |         |
Average Low      |          |   2013  |        |         |
Average Monthly  |          |   2013  |        |         |
Rainfall         |          |         |  2015  |         |
Snowfall         |          |         |        |  2015   |
============================================================================
Yearly           |          |         |        |         |
Average High     |          |   2015  |        |         |    10th Warmest
Average Low      |          |   2015  |        |         |     4th Warmest
Average Monthly  |          |   2015  |        |         |     6th Warmest
Rainfall         |          |         |        |  2014   |
Snowfall         |          |         |        |  2009   |
============================================================================


First and Last Dates     Dates            Notes
===============================================================================
Last Freeze         | March 15th     | Latest since 2014
First 80-degree Day | March 20th     | Latest since 2014
First 90-degree Day | June 16th      | Latest since 1997, 2nd latest on record
Last 90-degree Day  | October 14th   | Latest since 2015
Last 80-degree Day  | November 4th   | Earliest since 2015
First Freeze        | November 23rd  | Earliest since 2015
===============================================================================

Number of Days With Temperatures      Notes
=======================================================
At or below freezing           | 28 | Least since 2012
At or above 90 degrees         | 42 | Fewest since 2014
At or above 100 degrees        |  0 | Fewest since 2015
=======================================================

Daily Record Temperatures Tied or Broken During the Year
============================================================================
Date       Record Type                New Record   Previous Record
============================================================================
Jan. 10th  High Temperature           70 in 2017     70 in 2000
Feb.  6th  High Temperature           71 in 2017     70 in 1999
Feb.  7th  High Temperature           78 in 2017     72 in 2001
           Highest Low Temperature    61 in 2017     54 in 1999
Feb. 11th  High Temperature           78 in 2017     76 in 1999
           Highest Low Temperature    63 in 2017     55 in 1984
Feb. 12th  Highest Low Temperature    54 in 2017     52 in 1987
Mar. 21st  High Temperature           85 in 2017     84 in 1997
May  24th  Lowest High Temperature    68 in 2017     69 in 1992
Aug. 13th  Coolest High Temperature   76 in 2017     81 in 2004
Aug. 26th  Coolest High Temperature   79 in 2017     80 in 1991
Aug. 31st  Coolest High Temperature   75 in 2017     75 in 2001
Sep.  6th  Coolest High Temperature   75 in 2017     78 in 1988
Oct.  7th  High Temperature           89 in 2017     89 in 1979
Oct.  8th  Warmest Low Temperature    70 in 2017     70 in 1997
Oct.  9th  High Temperature           91 in 2017     91 in 1980
           Warmest Low Temperature    71 in 2017     69 in 1997
Oct. 14th  High Temperature           90 in 2017     90 in 2015
           Warmest Low Temperature    67 in 2017     63 in 1985
Oct. 28th  Coolest High Temperature   50 in 2017     51 in 1976
Nov.  2nd  Highest Low Temperature    66 in 2017     66 in 2016
Nov.  5th  Highest Low Temperature    69 in 2017     63 in 2015
Nov. 18th  High Temperature           78 in 2017     75 in 2003, 2001, 1981
Dec. 27th  Low Temperature            19 in 2017     19 in 1983
Dec. 28th  Low Temperature            14 in 2017     18 in 1983

Additional Information and Honorable Mention...
Feb.  7th - The daily average temperature of 69.5 degrees was the 2nd highest
daily average temperature recorded in the month of February.
Feb. 11th - The low temperature of 63 degrees was the second highest low
temperature on record in the month of February. Also, daily average temperature
of 70.5 degrees set a record for the highest daily average temperature recorded
during the month of February. The previous record was 70.0 degrees on February
17th, 1986.
Mar. 20th - It was the 10th warmest day on record in March (in terms of high
temperatures), with a high of 84 degrees.
Mar. 21st - It was the 5th warmest day on record in March (in terms of high
temperatures), with a high of 85 degrees.
May   4th - The high temperature of 56 degrees went down as the 8th coolest
high temperature on record in the month of May.
Aug. 13th - The high temperature of 76 degrees marked the coolest high
temperature in the month of August since 2013, and most recently tied August
20, 2008 for the 5th coolest high temperature on record during the month of
August.
Oct.  8th - The daily average temperature of 79.5 degrees ended up being the 8th
warmest such reading on record for the month of October.
Oct.  9th - The high temperature of 91 degrees marked the 3rd highest temperature on
record in the month of October at North Little Rock, most recently tying October 12,
2015. The low temperature of 71 degrees marked the 3rd warmest low temperature on
record in the month of October at North Little Rock, most recently tying October 7,
2007. The daily average temperature of 81.0 marked the warmest daily average
temperature at North Little Rock in the month of October since 1986, and tied
October 3, 1986 for the warmest on record.
Oct. 14th - The high temperature of 90 degrees marked the 4th warmest temperature on
record in the month of October at North Little Rock, most recently tying October 9,
2010.
Oct. 28th - The high temperature of 50 degrees ended up tying October 31 for the 6th
coldest high temperature on record during the month of October. The low temperature of
34 degrees marked the 6th coldest low temperature on record in the month of October,
and the coldest October reading since Halloween of 1993. The daily average temperature
of 42.0 marked the 5th coldest daily average temperature on record in the month of
October.
Oct. 31st - The high temperature of 50 degrees marked the 6th coldest high temperature
on record in the month of October at North Little Rock.

Daily Record Rainfall Tied or Broken During the Year
====================================================
Date        New Record   Previous Record
====================================================
Apr. 26th  1.43 in 2017    1.30 in 1999
May  28th  2.45 in 2017    1.83 in 2014
Jun.  3rd  1.65 in 2017    0.96 in 1981
Jul. 14th  2.44 in 2017    0.87 in 1996
Aug. 14th  1.30 in 2017    1.08 in 2016
Dec. 19th  0.71 in 201     0.54 in 1984
Dec. 22nd  3.29 in 2017    0.86 in 1990

Additional Information and Honorable Mention...
Apr. 29 - The 3.30 inches of rain marked the 4th highest calendar
day rainfall recorded in the month of April since records began
(1975).
Apr. 29-30 - 5.45 inches of rain fell. This marks the highest
24-hour rainfall total ever recorded in the month of April at North
Little Rock. The previous record was set exactly one year before
that, when 5.04 inches of rain fell April 29th-30th of 2016.
Apr. 29-30 - The 5.45 inches of rain on the 29th-30th also marked the
5th highest all-time 24-hour rainfall amount on record at North Little
Rock, and the highest 24-hour rainfall since April 30th-May 1st 2011, when
6.92 inches fell.
Jun.  3rd - The rainfall of 1.65 inches marked the wettest June day
since June 8, 2014, and the 7th wettest calendar day rainfall on
record during the month of June.

Daily Record Snowfall Tied or Broken During the Year
====================================================
DATE          NEW RECORD          OLD RECORD
====================================================
Mar. 11th    Trace in 2017  None (Record Established)
Oct. 27th    Trace in 2017  None (Record Established)

Additional Data and Honorable Mention...
Oct. 27th - The sleet that fell ties with October 30, 1993 for the 2nd snowiest
day on record in the month of October, and is also the 2nd snowiest 24-hour
period on record in the month of October.

Monthly Records Tied or Broken During the Year
========================================================================================
Month     Record Type                    New Record/Date     Previous Record/Date
========================================================================================
Jan. Lowest Sea Level Pressure   29.33 ins./Jan. 22, 2017    29.42 ins./Jan. 18, 1982
Feb. Highest Daily Average Temp.       70.5/Feb. 11, 2017          70.0/Feb. 17, 1986
Mar. Highest Sea Level Pressure  30.63 ins./Mar.  3, 2017    30.63 ins./Mar. 21, 1986
Apr. Highest 24-hour Rainfall     5.45 ins./Apr. 29-30, 2017  5.04 ins./Apr. 29-30, 2016
Sep. Lowest Monthly Rainfall         0.28 inches/2017           0.33 inches/2004
Nov. Lowest Monthly Rainfall         0.41 inches/2017           0.50 inches/1999

All-time Records Tied or Broken During the Year
=====================================================================================
Apr. 29-30 - The heavy rain that fell during the 24-hour period set numerous all-time
short-duration rainfall records for North Little Rock.

Interval  New Record  Time (CST) Date            Old Record  Time (CST) Date
 10-min.  1.17 inches 2320-2330  04/29/2017      1.00 inches 0830-0840  08/18/1997
 15-min.  1.55 inches 2320-2335  04/29/2017      1.30 inches 0825-0840  08/18/1997
 20-min.  1.76 inches 2315-2335  04/29/2017      1.50 inches 0825-0845  08/18/1997
 30-min.  2.17 inches 2310-2335  04/29/2017      2.01 inches 1655-1725  08/03/1992
 45-min.  2.51 inches 2300-2345  04/29/2017      2.35 inches 1654-1739  08/03/1992
 60-min.  2.93 inches 2300-2400  04/29-30/2017   2.60 inches 1558-1658  07/12/2010
 80-min.  2.99 inches 2245-0015  04/29-30/2017   2.80 inches 1538-1658  07/12/2010
150-min.  3.55 inches 2325-0155  04/29-30/2017   3.53 inches 0716-0946  08/18/1997

Other Records Broken During the Year/Miscellaneous Phenomena
=============================================================================
Jul. 14th - Small hail fell, measuring 1/4 inch in diameter. This was the
second July in a row with hail falling.

$$

57



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