229
CDUS43 KLOT 042135
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT SUN MAY 04 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 4 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 59 2:01 PM 92 1952 66 -7 81
MINIMUM 45 12:23 AM 32 1954 47 -2 47
AVERAGE 52 56 -4 64
PRECIPITATION (IN)
TODAY 0.00 1.70 1990 0.15 -0.15 0.22
MONTH TO DATE 0.20 0.59 -0.39 1.02
SINCE MAR 1 5.85 6.79 -0.94 8.08
SINCE JAN 1 8.35 10.75 -2.40 12.23
SNOWFALL (IN)
TODAY 0.0 T 1891 0.0 0.0 0.0
1907
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 13 9 4 1
MONTH TO DATE 47 39 8 5
SINCE MAR 1 1105 1315 -210 1018
SINCE JUL 1 5240 5784 -544 4706
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 0 4 -4 5
SINCE MAR 1 8 14 -6 14
SINCE JAN 1 8 14 -6 14
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 15.4
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79 7:00 AM
LOWEST 42 2:00 PM
AVERAGE 61
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 94 1949
MINIMUM TEMPERATURE (F) 47 32 1992
SUNRISE AND SUNSET
MAY 4 2025...........SUNRISE 5:43 AM CDT SUNSET 7:54 PM CDT
MAY 5 2025...........SUNRISE 5:42 AM CDT SUNSET 7:55 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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