818
CDUS43 KLOT 010648
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
148 AM CDT SUN OCT 01 2023
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 30 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 84 3:32 PM 92 1971 70 14 67
MINIMUM 61 5:54 AM 29 1984 51 10 47
AVERAGE 73 60 13 57
PRECIPITATION (IN)
YESTERDAY 0.00 1.27 1896 0.10 -0.10 0.00
MONTH TO DATE 3.36 3.19 0.17 2.20
SINCE SEP 1 3.36 3.19 0.17 2.20
SINCE JAN 1 27.62 29.90 -2.28 27.31
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 6 -6 8
MONTH TO DATE 13 76 -63 75
SINCE SEP 1 13 76 -63 75
SINCE JUL 1 15 82 -67 75
COOLING
YESTERDAY 8 2 6 0
MONTH TO DATE 155 116 39 154
SINCE SEP 1 155 116 39 154
SINCE JAN 1 1089 988 101 1155
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WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 6.4
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 6:00 AM
LOWEST 48 4:00 PM
AVERAGE 68
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 92 1971
MINIMUM TEMPERATURE (F) 51 32 1886
1974
SUNRISE AND SUNSET
OCTOBER 1 2023.......SUNRISE 6:48 AM CDT SUNSET 6:34 PM CDT
OCTOBER 2 2023.......SUNRISE 6:49 AM CDT SUNSET 6:32 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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