670
CDUS43 KLOT 130632
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT SUN SEP 13 2026
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 12 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 88 2:31 PM 96 1939 78 10 85
1952
MINIMUM 68 6:34 AM 44 1940 60 8 62
1955
AVERAGE 78 69 9 74
PRECIPITATION (IN)
YESTERDAY T 2.43 1961 0.08 -0.08 0.00
MONTH TO DATE 0.04 1.18 -1.14 0.06
SINCE SEP 1 0.04 1.18 -1.14 0.06
SINCE JAN 1 32.18 25.21 6.97 24.88
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 0 7 -7 21
SINCE SEP 1 0 7 -7 21
SINCE JUL 1 0 11 -11 23
COOLING
YESTERDAY 13 5 8 9
MONTH TO DATE 164 76 88 38
SINCE SEP 1 164 76 88 38
SINCE JAN 1 1135 1032 103 1179
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WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 7.9
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 7:00 AM
LOWEST 42 4:00 PM
AVERAGE 63
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THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 99 1939
MINIMUM TEMPERATURE (F) 60 40 1953
SUNRISE AND SUNSET
SEPTEMBER 13 2026.....SUNRISE 6:29 AM CDT SUNSET 7:04 PM CDT
SEPTEMBER 14 2026.....SUNRISE 6:30 AM CDT SUNSET 7:02 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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