840
CDUS43 KLOT 080635
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT FRI SEP 08 2023
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 7 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 71 2:12 AM 100 1939 79 -8 81
1960
MINIMUM 64 11:48 PM 42 1986 61 3 63
AVERAGE 68 70 -2 72
PRECIPITATION (IN)
YESTERDAY 0.03 1.79 1980 0.11 -0.08 0.00
MONTH TO DATE 0.10 0.81 -0.71 T
SINCE SEP 1 0.10 0.81 -0.71 T
SINCE JAN 1 24.36 27.52 -3.16 25.11
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 1 -1 0
MONTH TO DATE 0 4 -4 0
SINCE SEP 1 0 4 -4 0
SINCE JUL 1 2 10 -8 0
COOLING
YESTERDAY 3 6 -3 7
MONTH TO DATE 88 43 45 60
SINCE SEP 1 88 43 45 60
SINCE JAN 1 1022 915 107 1061
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 9.4
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 4:00 AM
LOWEST 68 1:00 PM
AVERAGE 81
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 96 1933
1959
1960
MINIMUM TEMPERATURE (F) 60 43 1986
SUNRISE AND SUNSET
SEPTEMBER 8 2023.....SUNRISE 6:24 AM CDT SUNSET 7:14 PM CDT
SEPTEMBER 9 2023.....SUNRISE 6:25 AM CDT SUNSET 7:12 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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