665
CDUS43 KLOT 070632
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT SUN SEP 07 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 6 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 69 2:38 PM 98 1990 79 -10 73
MINIMUM 50 5:56 AM 46 1974 62 -12 60
1984
AVERAGE 60 71 -11 67
PRECIPITATION (IN)
YESTERDAY 0.00 0.83 1989 0.10 -0.10 0.00
MONTH TO DATE 0.06 0.65 -0.59 T
SINCE SEP 1 0.06 0.65 -0.59 T
SINCE JAN 1 24.88 24.68 0.20 29.47
DEGREE DAYS
HEATING
YESTERDAY 5 1 4 0
MONTH TO DATE 14 1 13 0
SINCE SEP 1 14 1 13 0
SINCE JUL 1 16 5 11 0
COOLING
YESTERDAY 0 6 -6 2
MONTH TO DATE 11 42 -31 34
SINCE SEP 1 11 42 -31 34
SINCE JAN 1 1152 998 154 1157
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 9.3
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 6:00 AM
LOWEST 33 4:00 PM
AVERAGE 54
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THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 101 1939
MINIMUM TEMPERATURE (F) 62 46 1986
SUNRISE AND SUNSET
SEPTEMBER 7 2025.....SUNRISE 6:23 AM CDT SUNSET 7:14 PM CDT
SEPTEMBER 8 2025.....SUNRISE 6:24 AM CDT SUNSET 7:12 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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