Climatological Report (Daily)
Issued by NWS
Issued by NWS
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057
CDUS43 KLOT 212139
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
439 PM CDT SAT SEP 21 2024
...................................
...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 21 2024...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 92 2:59 PM 95 2017 75 17 76
MINIMUM 65 6:10 AM 40 1930 57 8 66
AVERAGE 79 66 13 71
PRECIPITATION (IN)
TODAY 0.00 1.67 1947 0.10 -0.10 0.03
MONTH TO DATE 0.02 1.97 -1.95 2.96
SINCE SEP 1 0.02 1.97 -1.95 2.96
SINCE JAN 1 29.49 26.00 3.49 28.57
DEGREE DAYS
HEATING
TODAY 0 3 -3 0
MONTH TO DATE 10 24 -14 15
SINCE SEP 1 10 24 -14 15
SINCE JUL 1 10 28 -18 16
COOLING
TODAY 14 3 11 6
MONTH TO DATE 182 113 69 101
SINCE SEP 1 182 113 69 101
SINCE JAN 1 1305 1069 236 1063
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 4.2
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 5:00 AM
LOWEST 21 2:00 PM
AVERAGE 49
..........................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 95 2017
MINIMUM TEMPERATURE (F) 56 34 1974
SUNRISE AND SUNSET
SEPTEMBER 21 2024.....SUNRISE 6:38 AM CDT SUNSET 6:49 PM CDT
SEPTEMBER 22 2024.....SUNRISE 6:39 AM CDT SUNSET 6:47 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$