Climatological Report (Daily)
Issued by NWS
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CDUS43 KLOT 220631
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT TUE APR 22 2025
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 21 2025...
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)
YESTERDAY
MAXIMUM 61 2:14 AM 88 1985 61 0 58
MINIMUM 45 11:59 PM 27 1986 42 3 33
AVERAGE 53 52 1 46
PRECIPITATION (IN)
YESTERDAY 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)
YESTERDAY 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
YESTERDAY 12 14 -2 19
MONTH TO DATE 366 361 5 287
SINCE MAR 1 996 1169 -173 929
SINCE JUL 1 5131 5638 -507 4617
COOLING
YESTERDAY 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 15.1
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 12:00 AM
LOWEST 57 7:00 PM
AVERAGE 75
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 91 1980
MINIMUM TEMPERATURE (F) 43 24 1986
SUNRISE AND SUNSET
APRIL 22 2025.........SUNRISE 6:00 AM CDT SUNSET 7:41 PM CDT
APRIL 23 2025.........SUNRISE 5:58 AM CDT SUNSET 7:42 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$