Climatological Report (Monthly)
Issued by NWS
Issued by NWS
542
CXUS53 KLOT 020941
CLMMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
441 AM CDT SUN AUG 02 2026
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...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR THE MONTH OF JULY 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 109 07/23/1934
LOW 46 07/05/1972
HIGHEST 96 07/14 96 07/24
LOWEST 58 07/23 61 07/18
AVG. MAXIMUM 85.6 85.0 0.6 87.0
AVG. MINIMUM 69.2 67.7 1.5 71.2
MEAN 77.4 76.3 1.1 79.1
DAYS MAX >= 90 10 8.0 2.0 12
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 11.28 2023
MINIMUM 0.31 1936
TOTALS 6.18 3.55 2.63 6.66
DAILY AVG. 0.20 0.11 0.09 0.21
DAYS >= .01 8 9.7 -1.7 14
DAYS >= .10 5 5.5 -0.5 9
DAYS >= .50 3 2.3 0.7 5
DAYS >= 1.00 3 0.8 2.2 1
GREATEST
24 HR. TOTAL 2.94 07/27 TO 07/27 3.45
DEGREE DAYS
HEATING TOTAL 0 1 -1 0
SINCE 7/1 0 0 0 MM
COOLING TOTAL 394 353 41 444
SINCE 1/1 671 657 14 MM
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WIND (MPH)
AVERAGE WIND SPEED 8.6
HIGHEST WIND SPEED/DIRECTION 46/050 DATE 07/27
HIGHEST GUST SPEED/DIRECTION 73/240 DATE 07/03
73/040 07/27
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.52
NUMBER OF DAYS FAIR 7
NUMBER OF DAYS PC 21
NUMBER OF DAYS CLOUDY 3
AVERAGE RH (PERCENT) 66
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 6 MIXED PRECIP 0
HEAVY RAIN 3 RAIN 3
LIGHT RAIN 9 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 1
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 6 FOG W/VIS <= 1/4 MILE 1
HAZE 8
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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