Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 050637
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
137 AM CDT SAT APR 05 2025
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 4 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 49 9:49 AM 79 1921 54 -5 45
1929
MINIMUM 38 4:23 AM 16 1975 37 1 36
AVERAGE 44 46 -2 41
PRECIPITATION (IN)
YESTERDAY 0.06 1.90 1947 0.11 -0.05 0.07
MONTH TO DATE 1.31 0.42 0.89 1.21
SINCE MAR 1 4.30 2.87 1.43 4.80
SINCE JAN 1 6.80 6.83 -0.03 8.95
SNOWFALL (IN)
YESTERDAY 0.0 6.4 1920 0.1 -0.1 T
MONTH TO DATE 0.0 0.4 -0.4 T
SINCE MAR 1 2.8 5.9 -3.1 1.0
SINCE JUL 1 17.6 37.5 -19.9 22.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 21 20 1 24
MONTH TO DATE 73 81 -8 96
SINCE MAR 1 703 889 -186 738
SINCE JUL 1 4838 5358 -520 4426
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 2 -2 0
SINCE JAN 1 0 2 -2 0
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 11.4
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 11:00 PM
LOWEST 54 9:00 AM
AVERAGE 75
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 55 85 1988
MINIMUM TEMPERATURE (F) 37 18 1979
1995
SUNRISE AND SUNSET
APRIL 5 2025.........SUNRISE 6:27 AM CDT SUNSET 7:22 PM CDT
APRIL 6 2025.........SUNRISE 6:25 AM CDT SUNSET 7:23 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$