...THE HARRISON CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2011...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1891 TO 2011
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 97 09/01 80 17 92 09/19
LOWEST 42 09/26 59 -17 46 09/27
AVG. MAXIMUM 78.7 80.6 -1.9 81.9
AVG. MINIMUM 54.0 57.8 -3.8 60.9
MEAN 66.4 69.2 -2.8 71.4
DAYS MAX >= 90 5 3.2 1.8 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 3.58 4.20 -0.62 11.34
DAILY AVG. 0.12 0.14 -0.02 0.38
DAYS >= .01 7 10.5 -3.5 12
DAYS >= .10 4 9
DAYS >= .50 2 6
DAYS >= 1.00 2 1.4 0.6 3
GREATEST
24 HR. TOTAL 2.08 09/16 TO 09/17
SNOWFALL (INCHES)
TOTALS 0.0 0.0 0.0 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 09/30 TO 09/30
DEGREE_DAYS
HEATING TOTAL 68 42 26 17
SINCE 7/1 68 43 25 17
COOLING TOTAL 117 168 -51 218
SINCE 1/1 1829 1379 450 1830
FREEZE DATES
RECORD
EARLIEST 09/13/1902
LATEST 05/17/1912
EARLIEST 10/29
LATEST 04/04
.................................................................
WIND (MPH)
AVERAGE WIND SPEED 5.4
HIGHEST WIND SPEED/DIRECTION 21/010 DATE 09/05
HIGHEST GUST SPEED/DIRECTION 29/010 DATE 09/05
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.30
NUMBER OF DAYS FAIR 20
NUMBER OF DAYS PC 6
NUMBER OF DAYS CLOUDY 4
AVERAGE RH (PERCENT) 64
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 3
LIGHT RAIN 10 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 2
HAZE 8
- 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 2011...
TEMPERATURE
___________
AVERAGE MONTHLY HIGH....COOLEST SINCE 2009
AVERAGE MONTHLY LOW.....COOLEST SINCE 1974
AVERAGE MONTHLY.........COOLEST SINCE 1989 AND THE 8TH COOLEST ON RECORD
NUMBER OF DAYS WITH DAILY AVERAGE TEMPERATURES...
AT NORMAL........ 2 ABOVE NORMAL..... 8 BELOW NORMAL.....20
HIGHEST TEMPERATURE........97 ON THE 1ST
LOWEST TEMPERATURE.........42 ON THE 26TH
NUMBER OF DAYS WITH...
HIGHS AT OR ABOVE 90 DEGREES...... 5...MOST SINCE 2005
HIGHS AT OR ABOVE 80 DEGREES......15...FEWEST SINCE 2009
HIGHS BELOW 80 DEGREES............15...MOST SINCE 2009
HIGHS BELOW 70 DEGREES............ 5...MOST SINCE 1995
LOWS AT OR ABOVE 70 DEGREES....... 2...SAME AS 2010
LOWS BELOW 70 DEGREES.............28...SAME AS 2010
LOWS BELOW 60 DEGREES.............25...MOST SINCE 1974
LOWS BELOW 50 DEGREES............. 8...MOST SINCE 2001
DAILY TEMPERATURE RECORDS TIED OR BROKEN DURING THE MONTH...
DATE RECORD TYPE NEW RECORD OLD RECORD
16TH LOWEST HIGH TEMPERATURE 64 IN 2011 66 IN 1949
17TH LOWEST HIGH TEMPERATURE 57 IN 2011 61 IN 1981
OTHER INFORMATION...
DATE WARMEST READINGS DURING THE MONTH TEMPERATURE
1ST 5TH WARMEST LOW TEMPERATURE FOR SEPTEMBER 74
RAINFALL
________
MONTHLY RAINFALL......DRIEST SINCE 2007.
NUMBER OF DAYS WITH...
MEASURABLE RAINFALL...................... 7 FEWEST SINCE 2008
RAINFALL OF 1.00 INCHES OR GREATER....... 2 FEWEST SINCE 2010
DAILY RAINFALL RECORDS TIED OR BROKEN DURING THE MONTH...
DATE RECORD TYPE NEW RECORD OLD RECORD
17TH DAILY RAINFALL 1.98 IN 2011 1.65 IN 1912
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