656
CDUS43 KLOT 290633
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT TUE APR 29 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 28 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 84 4:36 PM 86 1915 64 20 75
MINIMUM 53 4:46 AM 28 1992 45 8 59
AVERAGE 69 54 15 67
PRECIPITATION (IN)
YESTERDAY 0.00 2.04 1981 0.15 -0.15 0.36
MONTH TO DATE 2.66 3.45 -0.79 2.81
SINCE MAR 1 5.65 5.90 -0.25 6.40
SINCE JAN 1 8.15 9.86 -1.71 10.55
SNOWFALL (IN)
YESTERDAY 0.0 T 1950 0.0 0.0 0.0
1961
2008
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
YESTERDAY 0 11 -11 0
MONTH TO DATE 415 447 -32 365
SINCE MAR 1 1045 1255 -210 1007
SINCE JUL 1 5180 5724 -544 4695
COOLING
YESTERDAY 4 0 4 2
MONTH TO DATE 8 0 8 9
SINCE MAR 1 8 2 6 9
SINCE JAN 1 8 2 6 9
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 15.8
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 62 10:00 PM
LOWEST 44 4:00 PM
AVERAGE 53
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 88 1899
1970
MINIMUM TEMPERATURE (F) 45 31 1958
2008
2018
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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