854
CDUS43 KLOT 170638
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
138 AM CDT SUN SEP 17 2023
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 16 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 72 11:02 AM 93 1931 77 -5 85
MINIMUM 60 6:35 AM 39 1984 59 1 66
AVERAGE 66 68 -2 76
PRECIPITATION (IN)
YESTERDAY 0.01 1.70 1980 0.08 -0.07 0.00
MONTH TO DATE 1.53 1.51 0.02 1.61
SINCE SEP 1 1.53 1.51 0.02 1.61
SINCE JAN 1 27.14 25.54 1.60 25.53
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 7 13 -6 3
SINCE SEP 1 7 13 -6 3
SINCE JUL 1 8 17 -9 3
COOLING
YESTERDAY 1 4 -3 11
MONTH TO DATE 89 94 -5 149
SINCE SEP 1 89 94 -5 149
SINCE JAN 1 1051 1050 1 1421
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WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 4.3
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 9:00 PM
LOWEST 53 11:00 AM
AVERAGE 66
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THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 93 1955
MINIMUM TEMPERATURE (F) 58 39 1937
SUNRISE AND SUNSET
SEPTEMBER 17 2023.....SUNRISE 6:33 AM CDT SUNSET 6:57 PM CDT
SEPTEMBER 18 2023.....SUNRISE 6:34 AM CDT SUNSET 6:56 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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