292
CDUS43 KLOT 312241
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
441 PM CST FRI JAN 31 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 31 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 40 10:56 AM 65 1989 32 8 38
MINIMUM 36 2:09 PM -21 2019 18 18 36
AVERAGE 38 25 13 37
PRECIPITATION (IN)
TODAY 1.24 1.52 1914 0.06 1.18 0.00
MONTH TO DATE 1.98 1.99 -0.01 3.50
SINCE DEC 1 3.91 4.10 -0.19 6.47
SINCE JAN 1 1.98 1.99 -0.01 3.50
SNOWFALL (IN)
TODAY T 9.5 1914 0.4 -0.4 0.0
MONTH TO DATE 4.6 11.3 -6.7 16.1
SINCE DEC 1 7.0 18.9 -11.9 17.3
SINCE JUL 1 9.9 20.9 -11.0 20.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 27 40 -13 28
MONTH TO DATE 1305 1228 77 1193
SINCE DEC 1 2318 2297 21 1991
SINCE JUL 1 3085 3448 -363 2955
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 36 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 14.3
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
LIGHT RAIN
LIGHT SNOW
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 8:00 AM
LOWEST 76 3:00 PM
AVERAGE 88
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 32 56 1968
MINIMUM TEMPERATURE (F) 19 -14 1985
SUNRISE AND SUNSET
JANUARY 31 2025.......SUNRISE 7:05 AM CST SUNSET 5:06 PM CST
FEBRUARY 1 2025......SUNRISE 7:04 AM CST SUNSET 5:07 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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