855
CDUS43 KLOT 042233
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CST TUE MAR 04 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 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 48 10:56 AM 73 1983 42 6 72
MINIMUM 43 1:45 AM -12 1873 27 16 44
AVERAGE 46 35 11 58
PRECIPITATION (IN)
TODAY 0.46 1.75 1985 0.08 0.38 0.07
MONTH TO DATE 0.46 0.33 0.13 0.07
SINCE MAR 1 0.46 0.33 0.13 0.07
SINCE JAN 1 2.96 4.29 -1.33 4.22
SNOWFALL (IN)
TODAY 0.0 8.5 1982 0.3 -0.3 0.0
MONTH TO DATE T 1.1 -1.1 0.0
SINCE MAR 1 T 1.1 -1.1 0.0
SINCE JUL 1 14.8 32.7 -17.9 21.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 19 30 -11 7
MONTH TO DATE 118 123 -5 57
SINCE MAR 1 118 123 -5 57
SINCE JUL 1 4253 4592 -339 3745
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 13.3
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 7:00 AM
LOWEST 42 12:00 AM
AVERAGE 68
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 75 1983
MINIMUM TEMPERATURE (F) 28 0 1873
1978
SUNRISE AND SUNSET
MARCH 4 2025.........SUNRISE 6:21 AM CST SUNSET 5:46 PM CST
MARCH 5 2025.........SUNRISE 6:20 AM CST SUNSET 5:47 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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