809
CDUS43 KLOT 170639
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
139 AM CDT MON JUL 17 2023
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 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 81 4:07 PM 100 1887 85 -4 75
MINIMUM 67 6:15 AM 49 1945 67 0 67
AVERAGE 74 76 -2 71
PRECIPITATION (IN)
YESTERDAY 0.00 2.48 1950 0.12 -0.12 T
MONTH TO DATE 5.77 1.82 3.95 2.39
SINCE JUN 1 8.13 5.92 2.21 5.05
SINCE JAN 1 21.09 20.57 0.52 20.95
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 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 9 11 -2 6
MONTH TO DATE 163 167 -4 153
SINCE JUN 1 368 366 2 385
SINCE JAN 1 461 436 25 530
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 9.6
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 4:00 AM
LOWEST 43 11:00 AM
AVERAGE 62
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 100 1887
1942
MINIMUM TEMPERATURE (F) 67 51 1985
SUNRISE AND SUNSET
JULY 17 2023..........SUNRISE 5:31 AM CDT SUNSET 8:24 PM CDT
JULY 18 2023..........SUNRISE 5:32 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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