583
CDUS43 KLOT 150631
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT FRI AUG 15 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR AUGUST 14 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 84 1:06 PM 99 1944 83 1 86
MINIMUM 68 5:21 AM 48 1964 67 1 66
AVERAGE 76 75 1 76
PRECIPITATION (IN)
YESTERDAY 0.00 1.96 2023 0.15 -0.15 0.00
MONTH TO DATE 0.35 1.78 -1.43 0.94
SINCE JUN 1 12.38 9.34 3.04 10.69
SINCE JAN 1 21.95 21.82 0.13 26.67
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 9 25 -16 3
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 11 10 1 11
MONTH TO DATE 190 147 43 147
SINCE JUN 1 958 722 236 821
SINCE JAN 1 1009 804 205 934
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 5.5
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 4:00 AM
LOWEST 38 11:00 AM
AVERAGE 64
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THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 98 1944
MINIMUM TEMPERATURE (F) 67 48 1929
SUNRISE AND SUNSET
AUGUST 15 2025........SUNRISE 6:00 AM CDT SUNSET 7:50 PM CDT
AUGUST 16 2025........SUNRISE 6:01 AM CDT SUNSET 7:49 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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