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 (Sep 2015)
 
...THE HARRISON CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1891 TO 2015

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               30   09/29/1967
HIGHEST            91   09/06        80      11       92  09/05
                                                          09/04
LOWEST             47   09/13        59     -12       45  09/24
AVG. MAXIMUM     82.6              80.6     2.0     79.7
AVG. MINIMUM     60.2              57.8     2.4     58.6
MEAN             71.4              69.2     2.2     69.2
DAYS MAX >= 90      3               3.2    -0.2        3
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        11.80   1930
 MINIMUM         0.08   1928
TOTALS           5.05              4.20    0.85     5.15
DAILY AVG.       0.17              0.14    0.03     0.17
DAYS >= .01         4              10.5    -6.5        9
DAYS >= .10         4                                  5
DAYS >= .50         2                                  3
DAYS >= 1.00        1               1.4    -0.4        2
GREATEST
 24 HR. TOTAL    4.53   09/08 TO 09/09

SNOWFALL (INCHES)
TOTALS            0.0               0.0     0.0      0.0
 LIQUID EQUIV    0.00              0.00    0.00     0.00
SINCE 7/1         0.0               0.0     0.0      0.0
 LIQUID 7/1      0.00              0.00    0.00     0.00
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      14                42     -28       33
 SINCE 7/1         15                43     -28       34
COOLING TOTAL     216               168      48      166
 SINCE 1/1       1436              1379      57     1296

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

WIND (MPH)
AVERAGE WIND SPEED              5.1
HIGHEST WIND SPEED/DIRECTION    24/330    DATE  09/11
HIGHEST GUST SPEED/DIRECTION    36/330    DATE  09/11

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           24
NUMBER OF DAYS PC              4
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       4
LIGHT RAIN                7     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      14     FOG W/VIS <= 1/4 MILE      1
HAZE                      0

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

&&

...DATA FOR HARRISON FOR SEPTEMBER 2015...

.SUMMARY...
SEPTEMBER SAW A TREND REVERSAL...WITH MUCH OF THE MONTH BEING
ABOVE AVERAGE IN TERMS OF TEMPERATURES. THE COOLEST PERIOD
WAS FROM THE 11TH THROUGH THE 15TH. HOWEVER...IN MOST DAYS DURING
THE MONTH...DAILY TEMPERATURES AVERAGED AROUND OR A LITTLE ABOVE
FIVE DEGREES ABOVE NORMAL.

RAINFALL WAS ABOVE AVERAGE FOR THE MONTH.

.MONTHLY TEMPERATURES...
THE AVERAGE HIGH TEMPERATURE WAS THE WARMEST SINCE 2013. THE AVERAGE
LOW TEMPERATURE WAS THE WARMEST SINCE 2010. THE AVERAGE MONTHLY
TEMPERATURE WAS THE WARMEST SINCE 2013.

.DAILY TEMPERATURES...
ABOVE NORMAL ON 22 DAYS...NORMAL ON ONE DAY...AND BELOW NORMAL ON SEVEN
DAYS.

.TEMPERATURE RECORDS TIED OR BROKEN DURING THE MONTH...
NONE.

.MONTHLY RAINFALL...
EVEN THOUGH IT WAS THE DRIEST SEPTEMBER SINCE 2013...RAINFALL WAS
ABOVE THE 30-YEAR AVERAGE. MUCH OF THE PRECIPITATION CAME IN A 24-
HOUR PERIOD DURING THE 8TH AND 9TH.

.DAILY RAINFALL RECORDS TIED OR BROKEN...
NONE.