494
CDUS43 KLOT 170636
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1236 AM CST MON FEB 17 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 16 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 27 MM 58 1921 36 -9 33
MINIMUM 9 MM -10 1885 22 -13 18
AVERAGE 18 29 -11 26
PRECIPITATION (IN)
YESTERDAY T 1.94 1883 0.08 -0.08 T
MONTH TO DATE 0.41 1.03 -0.62 0.10
SINCE DEC 1 4.32 5.13 -0.81 6.57
SINCE JAN 1 2.39 3.02 -0.63 3.60
SNOWFALL (IN)
YESTERDAY T 6.0 1997 0.4 -0.4 T
MONTH TO DATE 4.9 6.7 -1.8 T
SINCE DEC 1 11.9 25.6 -13.7 17.3
SINCE JUL 1 14.8 27.6 -12.8 20.0
SNOW DEPTH 3
DEGREE DAYS
HEATING
YESTERDAY 47 36 11 39
MONTH TO DATE 608 611 -3 432
SINCE DEC 1 2927 2914 13 2423
SINCE JUL 1 3694 4065 -371 3387
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 21 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 15.1
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 12:00 AM
LOWEST 53 8:00 PM
AVERAGE 67
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 36 67 2017
MINIMUM TEMPERATURE (F) 22 -11 1903
SUNRISE AND SUNSET
FEBRUARY 17 2025......SUNRISE 6:44 AM CST SUNSET 5:27 PM CST
FEBRUARY 18 2025......SUNRISE 6:43 AM CST SUNSET 5:29 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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