236
CDUS43 KLOT 112137
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
437 PM CDT MON SEP 11 2023
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 11 2023
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 71 1:36 AM 95 1931 78 -7 74
1952
MINIMUM 60 5:04 AM 44 1940 61 -1 61
1943
AVERAGE 66 69 -3 68
PRECIPITATION (IN)
TODAY 0.83 4.16 2000 0.08 0.75 1.40
MONTH TO DATE 1.05 1.10 -0.05 1.57
SINCE SEP 1 1.05 1.10 -0.05 1.57
SINCE JAN 1 26.66 25.13 1.53 25.49
DEGREE DAYS
HEATING
TODAY 0 1 -1 0
MONTH TO DATE 0 6 -6 0
SINCE SEP 1 0 6 -6 0
SINCE JUL 1 1 10 -9 0
COOLING
TODAY 1 5 -4 3
MONTH TO DATE 87 71 16 118
SINCE SEP 1 87 71 16 118
SINCE JAN 1 1049 1027 22 1390
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 5.9
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 2:00 PM
LOWEST 49 3:00 AM
AVERAGE 73
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 96 1939
1952
MINIMUM TEMPERATURE (F) 60 44 1940
1955
SUNRISE AND SUNSET
SEPTEMBER 11 2023.....SUNRISE 6:27 AM CDT SUNSET 7:08 PM CDT
SEPTEMBER 12 2023.....SUNRISE 6:28 AM CDT SUNSET 7:06 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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