225
CDUS43 KLOT 310632
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1232 AM CST FRI JAN 31 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 30 2025
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)
YESTERDAY
MAXIMUM 50 1:06 PM 55 1988 32 18 41
MINIMUM 26 6:08 AM -23 2019 18 8 37
AVERAGE 38 25 13 39
PRECIPITATION (IN)
YESTERDAY 0.51 0.97 1939 0.05 0.46 T
MONTH TO DATE 0.74 1.93 -1.19 3.50
SINCE DEC 1 2.67 4.04 -1.37 6.47
SINCE JAN 1 0.74 1.93 -1.19 3.50
SNOWFALL (IN)
YESTERDAY 0.0 14.9 1939 0.4 -0.4 0.0
MONTH TO DATE 4.6 10.9 -6.3 16.1
SINCE DEC 1 7.0 18.5 -11.5 17.3
SINCE JUL 1 9.9 20.5 -10.6 20.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 27 40 -13 26
MONTH TO DATE 1278 1188 90 1165
SINCE DEC 1 2291 2257 34 1963
SINCE JUL 1 3058 3408 -350 2927
COOLING
YESTERDAY 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 22 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 7.4
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 8:00 PM
LOWEST 37 12:00 PM
AVERAGE 67
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 32 65 1989
MINIMUM TEMPERATURE (F) 18 -21 2019
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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