855
CDUS43 KLOT 170638
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
138 AM CDT SUN SEP 17 2023
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 16 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 70 3:19 PM 92 1931 76 -6 82
1955
MINIMUM 60 5:25 AM 37 1984 57 3 63
AVERAGE 65 66 -1 73
PRECIPITATION (IN)
YESTERDAY 0.03 1.16 1980 0.10 -0.07 0.00
MONTH TO DATE 0.92 1.73 -0.81 1.48
SINCE SEP 1 0.92 1.73 -0.81 1.48
SINCE JAN 1 25.18 28.44 -3.26 26.59
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 2 -2 0
MONTH TO DATE 5 18 -13 4
SINCE SEP 1 5 18 -13 4
SINCE JUL 1 7 24 -17 4
COOLING
YESTERDAY 0 4 -4 8
MONTH TO DATE 96 83 13 107
SINCE SEP 1 96 83 13 107
SINCE JAN 1 1030 955 75 1108
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WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 3.3
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 11:00 PM
LOWEST 59 10:00 AM
AVERAGE 73
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 93 1955
MINIMUM TEMPERATURE (F) 57 37 1984
SUNRISE AND SUNSET
SEPTEMBER 17 2023.....SUNRISE 6:34 AM CDT SUNSET 6:58 PM CDT
SEPTEMBER 18 2023.....SUNRISE 6:35 AM CDT SUNSET 6:56 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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