847
CDUS43 KLOT 092134
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT SAT SEP 09 2023
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 9 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 76 12:55 PM 95 1955 78 -2 84
1959
1983
MINIMUM 56 4:02 AM 43 1986 60 -4 62
AVERAGE 66 69 -3 73
PRECIPITATION (IN)
TODAY 0.00 3.44 1875 0.10 -0.10 0.00
MONTH TO DATE 0.11 1.02 -0.91 T
SINCE SEP 1 0.11 1.02 -0.91 T
SINCE JAN 1 24.37 27.73 -3.36 25.11
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 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 1 -1 0
MONTH TO DATE 2 6 -4 0
SINCE SEP 1 2 6 -4 0
SINCE JUL 1 4 12 -8 0
COOLING
TODAY 1 5 -4 8
MONTH TO DATE 89 53 36 76
SINCE SEP 1 89 53 36 76
SINCE JAN 1 1023 925 98 1077
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 8.7
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 12:00 AM
LOWEST 38 1:00 PM
AVERAGE 64
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 95 1983
2013
MINIMUM TEMPERATURE (F) 59 44 1943
SUNRISE AND SUNSET
SEPTEMBER 9 2023.....SUNRISE 6:25 AM CDT SUNSET 7:12 PM CDT
SEPTEMBER 10 2023.....SUNRISE 6:26 AM CDT SUNSET 7:10 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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