020
CDUS43 KLOT 180635
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT TUE JUL 18 2023
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 17 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 80 4:00 PM 100 1887 85 -5 77
1942
MINIMUM 66 5:29 AM 51 1985 67 -1 69
AVERAGE 73 76 -3 73
PRECIPITATION (IN)
YESTERDAY 0.00 3.04 1969 0.12 -0.12 0.02
MONTH TO DATE 5.77 1.94 3.83 2.41
SINCE JUN 1 8.13 6.04 2.09 5.07
SINCE JAN 1 21.09 20.69 0.40 20.97
SNOWFALL (IN)
YESTERDAY 0.0 T 2003 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.0 0.0 T
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 25 31 -6 7
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 8 11 -3 8
MONTH TO DATE 171 178 -7 161
SINCE JUN 1 376 377 -1 393
SINCE JAN 1 469 447 22 538
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 8.0
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 4:00 AM
LOWEST 39 3:00 PM
AVERAGE 60
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 100 1946
MINIMUM TEMPERATURE (F) 67 53 1979
SUNRISE AND SUNSET
JULY 18 2023..........SUNRISE 5:32 AM CDT SUNSET 8:23 PM CDT
JULY 19 2023..........SUNRISE 5:33 AM CDT SUNSET 8:23 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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