486
CDUS43 KLOT 212132
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
432 PM CDT MON APR 21 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 21 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 61 2:14 AM 88 1985 61 0 58
MINIMUM 48 10:21 AM 27 1986 42 6 33
AVERAGE 55 52 3 46
PRECIPITATION (IN)
TODAY 0.03 1.08 1973 0.13 -0.10 0.00
MONTH TO DATE 1.99 2.48 -0.49 2.04
SINCE MAR 1 4.98 4.93 0.05 5.63
SINCE JAN 1 7.48 8.89 -1.41 9.78
SNOWFALL (IN)
TODAY 0.0 0.6 1903 0.0 0.0 0.0
MONTH TO DATE T 1.1 -1.1 T
SINCE MAR 1 2.8 6.6 -3.8 1.0
SINCE JUL 1 17.6 38.2 -20.6 22.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 10 14 -4 19
MONTH TO DATE 364 361 3 287
SINCE MAR 1 994 1169 -175 929
SINCE JUL 1 5129 5638 -509 4617
COOLING
TODAY 0 0 0 0
MONTH TO DATE 3 0 3 3
SINCE MAR 1 3 2 1 3
SINCE JAN 1 3 2 1 3
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 18.5
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 12:00 AM
LOWEST 61 2:00 PM
AVERAGE 77
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 91 1980
MINIMUM TEMPERATURE (F) 43 24 1986
SUNRISE AND SUNSET
APRIL 21 2025.........SUNRISE 6:01 AM CDT SUNSET 7:40 PM CDT
APRIL 22 2025.........SUNRISE 6:00 AM CDT SUNSET 7:41 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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