Climate Data
Monthly Numbers
Interested in temperature and precipitation numbers in Harrison? Check them out on a monthly basis below.
 
Climate Summary (Sep 2012)
 
...THE HARRISON CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1891 TO 2012

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            99   09/04        80      19       97  09/01
                        09/03
LOWEST             45   09/23        59     -14       42  09/26
AVG. MAXIMUM     81.8              80.6     1.2     78.7
AVG. MINIMUM     59.9              57.8     2.1     54.0
MEAN             70.8              69.2     1.6     66.4
DAYS MAX >= 90      7               3.2     3.8        5
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           2.30              4.20   -1.90     3.58
DAILY AVG.       0.08              0.14   -0.06     0.12
DAYS >= .01         9              10.5    -1.5        7
DAYS >= .10         6                                  4
DAYS >= .50         3                                  2
DAYS >= 1.00        0               1.4    -1.4        2
GREATEST
 24 HR. TOTAL    0.80   09/06 TO 09/07

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      23                42     -19       68
 SINCE 7/1         23                43     -20       68
COOLING TOTAL     203               168      35      117
 SINCE 1/1       1922              1379     543     1829

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

WIND (MPH)
AVERAGE WIND SPEED              5.6
HIGHEST WIND SPEED/DIRECTION    23/330    DATE  09/07
HIGHEST GUST SPEED/DIRECTION    38/240    DATE  09/01

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           21
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       5
LIGHT RAIN               14     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      10     FOG W/VIS <= 1/4 MILE      5
HAZE                      4

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

&&

...ADDITIONAL DATA FOR HARRISON FOR SEPTEMBER 2012...

.SUMMARY...
THE MONTH STARTED OUT ON AN EXTREMELY WARM NOTE...WITH HIGHS
AVERAGING IN THE MID TO UPPER 90S FOR MUCH OF THE FIRST WEEK.
IN FACT...THE HIGH TEMPERATURE OF 99 DEGREES ON THE 3RD AND 4TH
WERE THE WARMEST SEPTEMBER TEMPERATURES SINCE 2000. BY THE SECOND
WEEK...HOWEVER...THE WARM WEATHER ABATED...AND BY THE END OF THE
MONTH...THE AVERAGE TEMPERATURE WAS ONLY SLIGHTLY ABOVE NORMAL.

.MONTHLY TEMPERATURES...

THE AVERAGE HIGH...LOW...AND MONTHLY TEMPERATURES WERE THE WARMEST
SINCE 2010.

.DAILY AVERAGE TEMPERATURES WERE...
BELOW NORMAL ON 11 DAYS...AT NORMAL ON THREE DAYS...AND ABOVE NORMAL
ON 16 DAYS.

.DAILY TEMPERATURE RECORDS TIED OR BROKEN DURING THE MONTH...

NONE.

.MONTHLY TEMPERATURE RECORDS TIED OR BROKEN DURING THE MONTH...

NONE.

.RAINFALL...

IT WAS THE DRIEST SEPTEMBER SINCE 2007.

.DAILY RAINFALL RECORDS TIED OR BROKEN DURING THE MONTH...

NONE.

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