075
CDUS43 KLOT 172141
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
441 PM CDT MON MAR 17 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 17 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 53 2:59 PM 82 2012 48 5 41
MINIMUM 26 2:56 AM -1 1900 31 -5 29
AVERAGE 40 39 1 35
PRECIPITATION (IN)
TODAY 0.00 1.42 1965 0.08 -0.08 T
MONTH TO DATE 1.82 1.30 0.52 2.16
SINCE MAR 1 1.82 1.30 0.52 2.16
SINCE JAN 1 4.32 5.26 -0.94 6.31
SNOWFALL (IN)
TODAY 0.0 4.1 1984 0.2 -0.2 T
MONTH TO DATE 1.1 3.9 -2.8 T
SINCE MAR 1 1.1 3.9 -2.8 T
SINCE JUL 1 15.9 35.5 -19.6 21.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 25 26 -1 30
MONTH TO DATE 381 484 -103 302
SINCE MAR 1 381 484 -103 302
SINCE JUL 1 4516 4953 -437 3990
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 28 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 9.9
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 7:00 AM
LOWEST 36 2:00 PM
AVERAGE 59
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 48 81 2012
MINIMUM TEMPERATURE (F) 32 3 1923
SUNRISE AND SUNSET
MARCH 17 2025.........SUNRISE 7:00 AM CDT SUNSET 7:01 PM CDT
MARCH 18 2025.........SUNRISE 6:58 AM CDT SUNSET 7:02 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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