796
CDUS43 KLOT 012140
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
440 PM CDT THU MAY 01 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 1 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 68 12:22 PM 90 1951 65 3 75
MINIMUM 51 7:20 AM 30 1943 46 5 58
AVERAGE 60 55 5 67
PRECIPITATION (IN)
TODAY 0.20 2.35 1873 0.15 0.05 0.01
MONTH TO DATE 0.20 0.15 0.05 0.01
SINCE MAR 1 5.85 6.35 -0.50 7.07
SINCE JAN 1 8.35 10.31 -1.96 11.22
SNOWFALL (IN)
TODAY 0.0 1.6 1940 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
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
TODAY 5 10 -5 0
MONTH TO DATE 5 10 -5 0
SINCE MAR 1 1063 1286 -223 1013
SINCE JUL 1 5198 5755 -557 4701
COOLING
TODAY 0 1 -1 2
MONTH TO DATE 0 1 -1 2
SINCE MAR 1 8 11 -3 11
SINCE JAN 1 8 11 -3 11
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 9.9
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 8:00 AM
LOWEST 69 12:00 AM
AVERAGE 83
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 91 1959
MINIMUM TEMPERATURE (F) 46 27 1875
SUNRISE AND SUNSET
MAY 1 2025...........SUNRISE 5:47 AM CDT SUNSET 7:51 PM CDT
MAY 2 2025...........SUNRISE 5:46 AM CDT SUNSET 7:52 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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