265
CDUS43 KLOT 240634
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT SUN SEP 24 2023
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 23 2023
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)
YESTERDAY
MAXIMUM 81 11:08 AM 95 2017 73 8 64
MINIMUM 65 6:30 AM 29 1995 54 11 50
AVERAGE 73 64 9 57
PRECIPITATION (IN)
YESTERDAY 0.00 2.09 1961 0.10 -0.10 T
MONTH TO DATE 2.86 2.48 0.38 2.08
SINCE SEP 1 2.86 2.48 0.38 2.08
SINCE JAN 1 27.12 29.19 -2.07 27.19
SNOWFALL (IN)
YESTERDAY 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 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 8
MONTH TO DATE 13 41 -28 20
SINCE SEP 1 13 41 -28 20
SINCE JUL 1 15 47 -32 20
COOLING
YESTERDAY 8 2 6 0
MONTH TO DATE 128 104 24 154
SINCE SEP 1 128 104 24 154
SINCE JAN 1 1062 976 86 1155
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WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 9.3
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 66 9:00 PM
LOWEST 36 11:00 AM
AVERAGE 51
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 93 2017
MINIMUM TEMPERATURE (F) 54 35 1942
1985
1989
SUNRISE AND SUNSET
SEPTEMBER 24 2023.....SUNRISE 6:41 AM CDT SUNSET 6:46 PM CDT
SEPTEMBER 25 2023.....SUNRISE 6:42 AM CDT SUNSET 6:44 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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