940
CXUS51 KILN 011134
CLMDAY
CLIMATE REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
732 AM EDT SAT AUG 1 2009
...............................
..THE DAYTON CLIMATE SUMMARY FOR THE MONTH OF JULY 2009
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1869 TO 2009
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
RECORD
HIGH 108 07/22/1901
LOW 44 07/06/1972
HIGHEST 86 07/10 85 1 88 07/20
07/19
07/18
LOWEST 53 07/14 65 -12 52 07/01
AVG. MAXIMUM 78.4 84.2 -5.8 82.5
AVG. MINIMUM 60.7 64.4 -3.7 63.9
MEAN 69.6 74.3 -4.7 73.2
DAYS MAX >= 90 0 6.8 -6.8 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)
TOTALS 4.01 3.75 0.26 5.89
DAILY AVG. 0.13 0.12 0.01 0.19
DAYS >= .01 12 10.1 1.9 9
DAYS >= .10 6 6.7 -0.7 7
DAYS >= .50 3 2.6 0.4 4
DAYS >= 1.00 2 1.3 0.7 2
GREATEST
24 HR. TOTAL 1.54 07/22 TO 07/23
SNOWFALL (INCHES)
TOTALS 0.0 0.0 0.0 0.0
SINCE 7/1 0.0 0.0 0.0 0.0
DAYS >= TRACE 0 0.0 0.0 0
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
24 HR TOTAL 0.0
DEGREE_DAYS
HEATING TOTAL 3 2 1 3
SINCE 7/1 3 2 1 3
COOLING TOTAL 152 305 -153 265
SINCE 1/1 459 572 -113 506
.............................................................
WIND (MPH)
AVERAGE WIND SPEED 7.1
RESULTANT WIND SPEED/DIRECTION 3/265
HIGHEST WIND SPEED/DIRECTION 24/310 DATE 07/17
HIGHEST GUST SPEED/DIRECTION 33/340 DATE 07/30
SKY COVER
AVERAGE RH (PERCENT) 67
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 3 MIXED PRECIP 0
HEAVY RAIN 5 RAIN 4
LIGHT RAIN 18 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 13
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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