957
CDUS43 KLOT 032133
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CDT THU APR 03 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 3 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 56 12:07 AM 81 1956 54 2 39
MINIMUM 45 12:17 PM 17 1879 36 9 34
1987
AVERAGE 51 45 6 37
PRECIPITATION (IN)
TODAY 0.00 0.93 1974 0.11 -0.11 0.30
MONTH TO DATE 1.25 0.31 0.94 1.14
SINCE MAR 1 4.24 2.76 1.48 4.73
SINCE JAN 1 6.74 6.72 0.02 8.88
SNOWFALL (IN)
TODAY 0.0 2.7 1984 0.1 -0.1 T
MONTH TO DATE 0.0 0.3 -0.3 T
SINCE MAR 1 2.8 5.8 -3.0 1.0
SINCE JUL 1 17.6 37.4 -19.8 22.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 14 20 -6 28
MONTH TO DATE 49 61 -12 72
SINCE MAR 1 679 869 -190 714
SINCE JUL 1 4814 5338 -524 4402
COOLING
TODAY 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 29 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 17.0
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 5:00 AM
LOWEST 58 11:00 AM
AVERAGE 68
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 54 79 1921
1929
MINIMUM TEMPERATURE (F) 37 16 1975
SUNRISE AND SUNSET
APRIL 3 2025.........SUNRISE 6:30 AM CDT SUNSET 7:20 PM CDT
APRIL 4 2025.........SUNRISE 6:29 AM CDT SUNSET 7:21 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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