Climatological Report (Monthly) Issued by NWS
000
CXUS53 KLOT 011524
CLMMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1024 AM CDT FRI SEP 01 2023
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...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2023...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2023
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 104 08/09/1934
LOW 43 08/29/1965
HIGHEST 100 08/24 95 08/03
08/06
LOWEST 54 08/31 62 08/10
08/27
AVG. MAXIMUM 82.5 82.7 -0.2 84.9
AVG. MINIMUM 66.0 66.4 -0.4 68.7
MEAN 74.3 74.5 -0.2 76.8
DAYS MAX >= 90 4 4.0 0.0 4
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 9.95 1987
MINIMUM 0.71 2008
TOTALS 2.72 3.99 -1.27 1.82
DAILY AVG. 0.09 0.13 -0.04 0.06
DAYS >= .01 6 9.9 -3.9 7
DAYS >= .10 4 6.4 -2.4 6
DAYS >= .50 1 2.7 -1.7 1
DAYS >= 1.00 1 1.0 0.0 0
GREATEST
24 HR. TOTAL 2.02 08/14 TO 08/15 0.84
DEGREE DAYS
HEATING TOTAL 1 3 -2 0
SINCE 7/1 1 1 0 MM
COOLING TOTAL 296 299 -3 376
SINCE 1/1 962 956 6 MM
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WIND (MPH)
AVERAGE WIND SPEED 9.0
HIGHEST WIND SPEED/DIRECTION 30/180 DATE 08/11
HIGHEST GUST SPEED/DIRECTION 46/180 DATE 08/11
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.49
NUMBER OF DAYS FAIR 10
NUMBER OF DAYS PC 17
NUMBER OF DAYS CLOUDY 4
AVERAGE RH (PERCENT) 67
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 2 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 3
LIGHT RAIN 7 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 8 FOG W/VIS <= 1/4 MILE 0
HAZE 4
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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