612
CDUS43 KLOT 200646
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
146 AM CDT SUN SEP 20 2026
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 19 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 72 MM 93 1955 75 -3 90
MINIMUM 63 MM 37 1929 58 5 70
AVERAGE 68 66 2 80
PRECIPITATION (IN)
YESTERDAY 1.01R 0.94 1968 0.09 0.92 0.00
MONTH TO DATE 2.91 1.78 1.13 0.26
SINCE SEP 1 2.91 1.78 1.13 0.26
SINCE JAN 1 35.05 25.81 9.24 25.08
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 2 19 -17 21
SINCE SEP 1 2 19 -17 21
SINCE JUL 1 2 23 -21 23
COOLING
YESTERDAY 3 4 -1 15
MONTH TO DATE 201 106 95 109
SINCE SEP 1 201 106 95 109
SINCE JAN 1 1172 1062 110 1250
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WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 6.0
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 10:00 AM
LOWEST 70 12:00 AM
AVERAGE 84
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THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 95 2018
MINIMUM TEMPERATURE (F) 57 38 1937
1956
SUNRISE AND SUNSET
SEPTEMBER 20 2026.....SUNRISE 6:36 AM CDT SUNSET 6:52 PM CDT
SEPTEMBER 21 2026.....SUNRISE 6:37 AM CDT SUNSET 6:50 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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