243
CDUS43 KLOT 210639
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
139 AM CDT SAT SEP 21 2024
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 20 2024
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 91 2:10 PM 93 2018 74 17 80
MINIMUM 69 11:59 PM 36 1991 55 14 63
AVERAGE 80 65 15 72
PRECIPITATION (IN)
YESTERDAY 0.02 1.33 2001 0.11 -0.09 0.01
MONTH TO DATE 0.06 2.16 -2.10 2.80
SINCE SEP 1 0.06 2.16 -2.10 2.80
SINCE JAN 1 26.92 28.87 -1.95 27.06
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 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 0
MONTH TO DATE 14 30 -16 13
SINCE SEP 1 14 30 -16 13
SINCE JUL 1 14 36 -22 15
COOLING
YESTERDAY 15 3 12 7
MONTH TO DATE 148 96 52 103
SINCE SEP 1 148 96 52 103
SINCE JAN 1 1134 968 166 1037
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 7.8
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 5:00 AM
LOWEST 28 4:00 PM
AVERAGE 52
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 94 2017
MINIMUM TEMPERATURE (F) 55 39 1889
1983
1991
SUNRISE AND SUNSET
SEPTEMBER 21 2024.....SUNRISE 6:38 AM CDT SUNSET 6:50 PM CDT
SEPTEMBER 22 2024.....SUNRISE 6:40 AM CDT SUNSET 6:48 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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