643
CDUS43 KLOT 172134
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT SAT AUG 17 2024
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 17 2024
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 84 2:39 PM 98 1947 83 1 80
1988
MINIMUM 69 5:14 AM 48 1976 65 4 63
AVERAGE 77 74 3 72
PRECIPITATION (IN)
TODAY 0.09 2.60 1979 0.15 -0.06 0.20
MONTH TO DATE 1.41 2.39 -0.98 1.33
SINCE JUN 1 10.40 10.20 0.20 11.30
SINCE JAN 1 25.67 24.85 0.82 24.26
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 JUN 1 T 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 6 33 -27 25
SINCE JUL 1 0 2 -2 0
COOLING
TODAY 12 9 3 7
MONTH TO DATE 164 165 -1 160
SINCE JUN 1 758 690 68 702
SINCE JAN 1 838 760 78 795
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 8.0
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 3:00 AM
LOWEST 56 1:00 PM
AVERAGE 75
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 98 1947
MINIMUM TEMPERATURE (F) 65 49 1963
SUNRISE AND SUNSET
AUGUST 17 2024........SUNRISE 6:02 AM CDT SUNSET 7:48 PM CDT
AUGUST 18 2024........SUNRISE 6:03 AM CDT SUNSET 7:47 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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