990
CDUS43 KLOT 292135
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT TUE APR 29 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 29 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 77 1:24 AM 88 1899 64 13 70
1970
MINIMUM 61 1:37 PM 31 1958 45 16 54
2008
2018
AVERAGE 69 55 14 62
PRECIPITATION (IN)
TODAY 0.00 2.75 1909 0.15 -0.15 0.66
MONTH TO DATE 2.66 3.60 -0.94 3.47
SINCE MAR 1 5.65 6.05 -0.40 7.06
SINCE JAN 1 8.15 10.01 -1.86 11.21
SNOWFALL (IN)
TODAY 0.0 T 1909 0.0 0.0 0.0
1950
2014
MONTH TO DATE T 1.3 -1.3 T
SINCE MAR 1 2.8 6.8 -4.0 1.0
SINCE JUL 1 17.6 38.4 -20.8 22.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 11 -11 3
MONTH TO DATE 415 458 -43 368
SINCE MAR 1 1045 1266 -221 1010
SINCE JUL 1 5180 5735 -555 4698
COOLING
TODAY 4 0 4 0
MONTH TO DATE 12 0 12 9
SINCE MAR 1 12 2 10 9
SINCE JAN 1 12 2 10 9
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 18.3
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 66 4:00 AM
LOWEST 45 10:00 AM
AVERAGE 56
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 91 1942
MINIMUM TEMPERATURE (F) 45 30 1873
SUNRISE AND SUNSET
APRIL 29 2025.........SUNRISE 5:50 AM CDT SUNSET 7:49 PM CDT
APRIL 30 2025.........SUNRISE 5:49 AM CDT SUNSET 7:50 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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