Climatological Report (Monthly)
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000
CXUS54 KLZK 011758
CLMHRO


CLIMATE REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1254 PM CDT MON MAY 1 2017

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

...THE HARRISON CLIMATE SUMMARY FOR THE MONTH OF APRIL 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1891 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              99   04/27/1927
 LOW               20   04/13/1957
                        04/14/1950
                        04/04/1904
HIGHEST            81   04/19        69      12       81  04/23
                        04/15
                        04/14
LOWEST             38   04/07        48     -10       34  04/02
AVG. MAXIMUM     72.0              69.2     2.8     71.2
AVG. MINIMUM     50.3              46.8     3.5     49.2
MEAN             61.2              58.0     3.2     60.2
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               1.6    -1.6        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        14.73   2011
 MINIMUM         0.53   1989
TOTALS          11.68              4.32    7.36     3.27
DAILY AVG.       0.39              0.14    0.25     0.11
DAYS >= .01        14               9.6     4.4       11
DAYS >= .10        11                                  5
DAYS >= .50         4                                  3
DAYS >= 1.00        3               1.4     1.6        1
GREATEST
 24 HR. TOTAL    3.96   04/29 TO 04/30

SNOWFALL (INCHES)
RECORDS
 TOTAL            9.0   1971
 24 HR TOTAL      5.8   04/04/1993 TO 04/04/1993
 SNOW DEPTH         2   04/14/1980
TOTALS            0.0               0.3    -0.3      0.0
 LIQUID EQUIV    0.00              0.00    0.00     0.00
SINCE 7/1         3.4              11.5    -8.1      3.7
 LIQUID 7/1      0.34              1.00   -0.66     0.37
SNOWDEPTH AVG.      0
DAYS >= TRACE       0               1.0    -1.0        0
DAYS >= 1.0         0                                  0
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL      0.0

DEGREE_DAYS
HEATING TOTAL     148               241     -93      153
 SINCE 7/1       2922              3921    -999     3129
COOLING TOTAL      40                31       9       18
 SINCE 1/1         53                37      16       23

FREEZE DATES
RECORD
 EARLIEST     09/13/1902
 LATEST       05/17/1912
EARLIEST                        10/29
LATEST                          04/04
.................................................

WIND (MPH)
AVERAGE WIND SPEED              8.5
HIGHEST WIND SPEED/DIRECTION    32/270    DATE  04/29
HIGHEST GUST SPEED/DIRECTION    50/270    DATE  04/29

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           16
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                7     RAIN                      10
LIGHT RAIN               18     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      16     FOG W/VIS <= 1/4 MILE      2
HAZE                      1

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

&&

...Data for Harrison for April 2017...

.Summary...
Above average temperatures continued into April as well, though the
departures from normal were less than the last few months. The
warmest period was at mid month and the coolest period was in the
third week of the month, when daily temperatures were mostly between
five and ten degrees below average.

In terms of rainfall, this was the wettest April in several years,
and one of the wettest ever recorded. Up until the last week of the
month, rainfall was below average. Half of April 2017`s rainfall
occurred in the last five days of the month.

No snow fell.

.Monthly Temperatures...
The average high, low, and monthly temperatures were the warmest
since 2012.

.Daily Temperatures...
Daily temperatures were above average on 19 days and below average
on 11 days.

.Daily Record Temperatures Tied or Broken During the Month...

Date   Record Type                 New Record         Previous Record
22nd   Coolest high temperature    49 in 2017            51 in 1907

.Monthly Rainfall...
It was the wettest April since 2011, and over all the 5th wettest
April since records began in 1891.

.Daily Rainfall Records Tied or Broken...

Date     New Record     Previous Record
26th    2.22 in 2017      1.60 in 1967
29th    3.55 in 2017      2.09 in 2006

On the 29th, the 3.55 inches of rain marked the 7th highest calendar
day rainfall recorded in the month of April since records began, and
the highest April calendar day rainfall since April 25, 2011.

.Monthly Snowfall...
No snow fell during the month.

.Daily Snowfall Records Tied or Broken...
None.

$$

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