...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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