National Weather Service United States Department of Commerce
Climate Data
Monthly Numbers
Interested in temperature and precipitation numbers in Harrison? Check them out on a monthly basis below.
 
Climate Summary (May 2019)
 
...THE HARRISON CLIMATE SUMMARY FOR THE MONTH OF MAY 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1891 TO 2019

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              99   05/29/1926
                        05/28/1926
 LOW               26   05/02/1911
                        05/01/1903
HIGHEST            87   05/16        76      11       90  05/28
LOWEST             44   05/13        56     -12       53  05/05
                        05/10
AVG. MAXIMUM     76.8              76.2     0.6     84.0
AVG. MINIMUM     57.1              55.4     1.7     62.3
MEAN             67.0              65.8     1.2     73.1
DAYS MAX >= 90      0               0.4    -0.4        1
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.0     0.0        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        16.87   1961
 MINIMUM         0.59   2012
TOTALS           5.98              4.69    1.29     3.05
DAILY AVG.       0.19              0.15    0.04     0.10
DAYS >= .01        12              12.6    -0.6       12
DAYS >= .10         9                                  5
DAYS >= .50         4                                  1
DAYS >= 1.00        2               1.6     0.4        1
GREATEST
 24 HR. TOTAL    1.72   05/01 TO 05/01

SNOWFALL (INCHES)
RECORDS
 TOTAL            0.1   2013
 24 HR TOTAL      0.1   05/03/2013 TO 05/03/2013
 SNOW DEPTH         T   05/03/2013
TOTALS            0.0               0.0     0.0      0.0
 LIQUID EQUIV    0.00              0.00    0.00     0.00
SINCE 7/1         4.5              11.5    -7.0      2.2
 LIQUID 7/1      0.45              1.00   -0.55     0.22
SNOWDEPTH AVG.      0
DAYS >= TRACE       0               0.0     0.0        0
DAYS >= 1.0         0                                  0
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL      0.0

DEGREE_DAYS
HEATING TOTAL      60                77     -17        0
 SINCE 7/1       3989              3998      -9     3794
COOLING TOTAL     128               102      26      262
 SINCE 1/1        171               139      32      276

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

WIND (MPH)
AVERAGE WIND SPEED              7.2
HIGHEST WIND SPEED/DIRECTION    31/130    DATE  05/08
HIGHEST GUST SPEED/DIRECTION    40/230    DATE  05/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     77

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

&&

...Data for Harrison for May 2019...

.Summary...
At Harrison, May temperatures were a little over a degree above the
30-year average. Rainfall was fairly evenly distributed throughout
the month.

.Monthly Temperatures...
The average high, low and monthly temperatures were the coolest
since 2017.

For the first time in two years, there were no 90-degree days.

.Daily Temperatures...
Daily temperatures were above average on 18 days, below average on
11 days, and average on two days.

.Daily Record Temperatures Tied or Broken During the Month...
Date  Record Type                 New Record       Previous Record
11th  Coolest High Temperature    56 in 2019          57 in 1990

.Monthly Rainfall...
It was the wettest May since 2015.

.Daily Rainfall Records Tied or Broken During the Month...
None.

.Miscellaneous Phenomena...
None.