413
CXUS53 KLOT 012301 CCA
CLSORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
202 PM CDT TUE SEP 01 2026
...............................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2026 TO 8/31/2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
RECORD
HIGH 105 07/24/1934
LOW 35 06/04/1945
HIGHEST 96 07/14 95 07/03
08/09
08/16
LOWEST 50 06/02 46 06/01
AVG. MAXIMUM 82.1 82.5 -0.4 83.9
AVG. MINIMUM 65.5 64.1 1.4 66.1
MEAN 73.8 73.3 0.5 75.0
DAYS MAX >= 90 12 14.0 -2.0 26
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 23.48 1987
MINIMUM 3.16 1894
TOTALS 15.38 12.06 3.32 12.95
DAILY AVG. 0.17 0.13 0.04 0.14
DAYS >= .01 29 30.2 -1.2 33
DAYS >= .10 21 19.0 2.0 19
DAYS >= .50 11 7.9 3.1 9
DAYS >= 1.00 5 3.3 1.7 4
GREATEST
24 HR. TOTAL 2.68 07/02 TO 07/03 2.28
SNOWFALL (INCHES)
RECORDS
TOTAL T 2024
2022
2020
TOTALS 0.0 0.0 0.0 0.0
SINCE 7/1 0.0 0.0 0.0 0.0
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
SNOW DEPTH 0 0 MM
24 HR TOTAL 0 0.0
DEGREE DAYS
HEATING TOTAL 11 37 -26 18
SINCE 7/1 0 2 -2 5
COOLING TOTAL 848 802 46 958
SINCE 1/1 926 872 54 992
............................................................
WIND (MPH)
AVERAGE WIND SPEED 8.3
HIGHEST WIND SPEED/DIRECTION 43/060 DATE 07/27
HIGHEST GUST SPEED/DIRECTION 65/060 DATE 07/27
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.59
NUMBER OF DAYS FAIR 15
NUMBER OF DAYS PC 57
NUMBER OF DAYS CLOUDY 20
AVERAGE RH (PERCENT) 68
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 23 MIXED PRECIP 0
HEAVY RAIN 14 RAIN 19
LIGHT RAIN 43 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 1
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 34 FOG W/VIS <= 1/4 MILE 0
HAZE 17
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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