...THE HARRISON CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2010...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1891 TO 2010
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 92 09/19 80 12 89 09/27
LOWEST 46 09/27 59 -13 44 09/30
AVG. MAXIMUM 81.9 80.0 1.9 76.6
AVG. MINIMUM 60.9 59.1 1.8 59.2
MEAN 71.4 69.6 1.8 67.9
DAYS MAX >= 90 3 3.8 -0.8 0
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 11.34 4.03 7.31 9.80
DAILY AVG. 0.38 0.13 0.25 0.33
DAYS >= .01 12 8.8 3.2 15
DAYS >= .10 9 10
DAYS >= .50 6 9
DAYS >= 1.00 3 1.4 1.6 4
GREATEST
24 HR. TOTAL 4.75 09/08 TO 09/09
SNOWFALL (INCHES)
RECORDS
TOTAL MM
TOTALS 0.0
LIQUID EQUIV 0.00
SINCE 7/1 0.0
LIQUID 7/1 0.00
SNOWDEPTH AVG. 0
DAYS >= TRACE 0 0.0 0.0 0
DAYS >= 1.0 0 0
GREATEST
SNOW DEPTH 0
24 HR TOTAL 0.0
DEGREE_DAYS
HEATING TOTAL 17 42 -25 18
SINCE 7/1 17 46 -29 22
COOLING TOTAL 218 177 41 112
SINCE 1/1 1830 1415 415 1190
FREEZE DATES
RECORD
EARLIEST 09/13/1902
LATEST 05/17/1912
EARLIEST 10/29
LATEST 04/04
.................................................................
WIND (MPH)
AVERAGE WIND SPEED 5.2
HIGHEST WIND SPEED/DIRECTION 23/320 DATE 09/24
HIGHEST GUST SPEED/DIRECTION 37/320 DATE 09/24
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
NUMBER OF DAYS FAIR 19
NUMBER OF DAYS PC 9
NUMBER OF DAYS CLOUDY 2
AVERAGE RH (PERCENT) 72
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 6 MIXED PRECIP 0
HEAVY RAIN 9 RAIN 7
LIGHT RAIN 12 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 20 FOG W/VIS <= 1/4 MILE 3
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 2010...
THE AVERAGE MONTHLY TEMPERATURE AND THE AVERAGE HIGH TEMPERATURE
WERE THE WARMEST SINCE 2007. THE AVERAGE LOW TEMPERATURE WAS THE
WARMEST SINCE 2005.
DAILY AVERAGE TEMPERATURES WERE BELOW NORMAL ON SEVEN DAYS...AT
NORMAL ON SIX DAYS...AND ABOVE NORMAL ON 17 DAYS.
THERE WERE THREE DAYS WITH HIGH TEMPERATURES AT OR ABOVE 90
DEGREES...WHICH WAS THE MOST SINCE 2007. THERE WERE 21 DAYS WITH
HIGHS AT OR ABOVE 80...WHICH WAS THE MOST SINCE 2007.
THE FOLLOWING DAILY TEMPERATURE RECORD WAS TIED DURING THE MONTH...
DATE RECORD TYPE NEW RECORD OLD RECORD
10TH HIGHEST LOW TEMPERATURE 72 IN 2010 72 IN 1983
IT WAS THE WETTEST SEPTEMBER SINCE 1930...AND THE 2ND WETTEST
SEPTEMBER ON RECORD.
THE FOLLOWING DAILY RAINFALL RECORDS WERE SET DURING THE MONTH...
DATE RECORD TYPE NEW RECORD OLD RECORD
1ST DAILY RAINFALL 2.15 INCHES IN 2010 1.65 INCHES IN 1923
7TH DAILY RAINFALL 1.79 INCHES IN 2010 1.25 INCHES IN 1945
9TH DAILY RAINFALL 4.56 INCHES IN 2010 1.90 INCHES IN 1930
THE 4.56 INCHES OF RAIN WHICH FELL ON THE 9TH WAS THE WETTEST
SEPTEMBER DAY SINCE SEPTEMBER 26TH 1996...AND THE 4TH WETTEST DAY ON
RECORD IN THE MONTH OF SEPTEMBER.
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