Climatological Report (Daily) Issued by NWS
000
CDUS43 KLOT 042144
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
444 PM CDT WED OCT 04 2023
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...THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 4 2023...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 84 1:32 PM 90 1951 68 16 74
MINIMUM 72 6:56 AM 32 1980 50 22 45
1989
AVERAGE 78 59 19 60
PRECIPITATION (IN)
TODAY 0.00 2.57 1991 0.11 -0.11 0.00
MONTH TO DATE 0.00 0.45 -0.45 0.00
SINCE SEP 1 3.36 3.64 -0.28 2.20
SINCE JAN 1 27.62 30.35 -2.73 27.31
SNOWFALL (IN)
TODAY 0.0 T 2014 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 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 7 -7 5
MONTH TO DATE 0 27 -27 25
SINCE SEP 1 13 104 -91 100
SINCE JUL 1 15 110 -95 100
COOLING
TODAY 13 1 12 0
MONTH TO DATE 44 4 40 0
SINCE SEP 1 199 120 79 154
SINCE JAN 1 1133 992 141 1155
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WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 11.1
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 64 7:00 AM
LOWEST 43 12:00 PM
AVERAGE 54
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 88 1997
MINIMUM TEMPERATURE (F) 49 28 1980
SUNRISE AND SUNSET
OCTOBER 4 2023.......SUNRISE 6:52 AM CDT SUNSET 6:28 PM CDT
OCTOBER 5 2023.......SUNRISE 6:53 AM CDT SUNSET 6:27 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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