114
CDUS43 KLOT 080636
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
136 AM CDT MON SEP 08 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 7 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 70 2:20 PM 101 1939 79 -9 67
MINIMUM 49 5:36 AM 46 1986 62 -13 51
AVERAGE 60 71 -11 59
PRECIPITATION (IN)
YESTERDAY 0.00 3.51 1998 0.10 -0.10 0.00
MONTH TO DATE 0.06 0.75 -0.69 T
SINCE SEP 1 0.06 0.75 -0.69 T
SINCE JAN 1 24.88 24.78 0.10 29.47
DEGREE DAYS
HEATING
YESTERDAY 5 1 4 6
MONTH TO DATE 19 2 17 6
SINCE SEP 1 19 2 17 6
SINCE JUL 1 21 6 15 6
COOLING
YESTERDAY 0 6 -6 0
MONTH TO DATE 11 48 -37 34
SINCE SEP 1 11 48 -37 34
SINCE JAN 1 1152 1004 148 1157
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 6.8
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 6:00 AM
LOWEST 34 2:00 PM
AVERAGE 54
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 98 1933
MINIMUM TEMPERATURE (F) 62 45 1986
SUNRISE AND SUNSET
SEPTEMBER 8 2025.....SUNRISE 6:24 AM CDT SUNSET 7:12 PM CDT
SEPTEMBER 9 2025.....SUNRISE 6:25 AM CDT SUNSET 7:10 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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