Climatological Report (Seasonal)
Issued by NWS

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CXUS54 KLZK 020621
CLSHRO


CLIMATE REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1216 AM CST SAT DEC 2 2017

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

...THE HARRISON CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2017 TO 11/30/2017...

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             106   09/03/1939
                        09/05/1913
                        09/04/1913
 LOW                5   11/12/1911
                        11/14/1908
HIGHEST            94   09/20        69      25       91  09/08
                                                          09/06
LOWEST             25   11/22        48     -23       26  11/20
                        10/29
AVG. MAXIMUM     73.9              69.8     4.1     75.3
AVG. MINIMUM     49.1              47.9     1.2     51.8
MEAN             61.5              58.9     2.6     63.5
DAYS MAX >= 90      8               3.3     4.7        3
DAYS MAX <= 32      0               0.3    -0.3        0
DAYS MIN <= 32      9               9.4    -0.4        6
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        23.75   2009
 MINIMUM         2.47   1999
TOTALS           3.83             11.98   -8.15     5.81
DAILY AVG.       0.04              0.13   -0.09     0.06
DAYS >= .01        15              29.5   -14.5       19
DAYS >= .10         8                                 12
DAYS >= .50         1                                  4
DAYS >= 1.00        1               3.5    -2.5        2
GREATEST
 24 HR. TOTAL    1.50   10/22 TO 10/22

SNOWFALL (INCHES)
RECORDS
 TOTAL            8.5   1951
 24 HR TOTAL      8.0   10/27/1913 TO 10/27/1913
 SNOW DEPTH         8   10/27/1913
TOTALS            0.0               0.5    -0.5      0.0
 LIQUID EQUIV    0.00              0.10   -0.10     0.00
SINCE 7/1         0.0
 LIQUID 7/1      0.00              0.00    0.00     0.00
SNOWDEPTH AVG.      0                 0       0        0
DAYS >= TRACE       0               1.0    -1.0       MM
DAYS >= 1.0         0               0.0     0.0       MM
GREATEST
 SNOW DEPTH         0   MM                             0  MM
 24 HR TOTAL      0.0

DEGREE_DAYS
HEATING TOTAL     596               763    -167      450
 SINCE 7/1        596               764    -168      450
COOLING TOTAL     301               204      97      336
 SINCE 1/1       1406              1416     -10     1647

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

WIND (MPH)
AVERAGE WIND SPEED              6.7
HIGHEST WIND SPEED/DIRECTION    31/250    DATE  10/22
HIGHEST GUST SPEED/DIRECTION    43/310    DATE  11/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           64
NUMBER OF DAYS PC             15
NUMBER OF DAYS CLOUDY         12

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       6
LIGHT RAIN               23     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      34     FOG W/VIS <= 1/4 MILE      6
HAZE                      2

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

&&

...Additional Data for Harrison for Fall 2017...

.Summary...
Though temperatures for the season were above average, it was still
the coolest fall in two years. There was no snowfall, and rainfall
was severely lacking.

.Seasonal Temperatures...
The average high temperature was the coolest since 2015. The average
low temperature was the coolest since 2014. The average seasonal
temperature was the coolest since 2015.

There were eight days with high temperatures of 90 degrees or
higher, which was the most since 2005. There were nine days with low
temperatures at or below freezing, which was the most since 2014.

The first freeze was on October 27th, which was the earliest since
2013.

.Seasonal Rainfall...
There were 15 days with measurable rainfall, which was the fewest
since 1989. Rainfall was significantly below average, with a deficit
for the season of over eight inches. It was the driest fall since
1999, and the 5th driest on record.

.Seasonal Snowfall...
No snow fell during the fall season, which was the second year in a
row.

$$

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