Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 042137
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
437 PM CDT WED SEP 04 2024
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 4 2024...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 84 2:12 PM 95 1954 80 4 94
1960
1983
MINIMUM 58 3:12 AM 45 1982 62 -4 71
1997
AVERAGE 71 70 1 83
PRECIPITATION (IN)
TODAY 0.00 2.95 1894 0.12 -0.12 0.00
MONTH TO DATE 0.00 0.47 -0.47 0.00
SINCE SEP 1 0.00 0.47 -0.47 0.00
SINCE JAN 1 26.86 27.18 -0.32 24.26
SNOWFALL (IN)
TODAY 0.0 0.0 MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 0 1 -1 0
MONTH TO DATE 0 1 -1 0
SINCE SEP 1 0 1 -1 0
SINCE JUL 1 0 7 -7 2
COOLING
TODAY 6 6 0 18
MONTH TO DATE 14 25 -11 54
SINCE SEP 1 14 25 -11 54
SINCE JAN 1 1000 897 103 988
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 5.2
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 3:00 AM
LOWEST 26 2:00 PM
AVERAGE 55
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 98 1899
MINIMUM TEMPERATURE (F) 61 44 1984
1988
SUNRISE AND SUNSET
SEPTEMBER 4 2024.....SUNRISE 6:21 AM CDT SUNSET 7:19 PM CDT
SEPTEMBER 5 2024.....SUNRISE 6:22 AM CDT SUNSET 7:17 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$