525
CDUS43 KLOT 210704
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
204 AM CDT THU SEP 21 2023
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 20 2023
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 80 3:46 PM 95 2018 75 5 94
MINIMUM 61 5:56 AM 38 1937 57 4 66
1956
AVERAGE 71 66 5 80
PRECIPITATION (IN)
YESTERDAY 0.00 1.12 1967 0.09 -0.09 0.25
MONTH TO DATE 2.93 1.87 1.06 1.94
SINCE SEP 1 2.93 1.87 1.06 1.94
SINCE JAN 1 28.54 25.90 2.64 25.86
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 15 21 -6 3
SINCE SEP 1 15 21 -6 3
SINCE JUL 1 16 25 -9 3
COOLING
YESTERDAY 6 4 2 15
MONTH TO DATE 95 110 -15 202
SINCE SEP 1 95 110 -15 202
SINCE JAN 1 1057 1066 -9 1474
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WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 6.9
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 72 6:00 AM
LOWEST 45 5:00 PM
AVERAGE 59
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THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 95 2017
MINIMUM TEMPERATURE (F) 57 40 1930
SUNRISE AND SUNSET
SEPTEMBER 21 2023.....SUNRISE 6:37 AM CDT SUNSET 6:50 PM CDT
SEPTEMBER 22 2023.....SUNRISE 6:38 AM CDT SUNSET 6:49 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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