212
CDUS43 KLOT 280641
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1241 AM CST FRI FEB 28 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 27 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 2:47 PM 75 1976 40 10 74
MINIMUM 36 11:59 PM -6 1879 26 10 52
1897
AVERAGE 43 33 10 63
PRECIPITATION (IN)
YESTERDAY 0.01 1.08 1876 0.09 -0.08 0.45
MONTH TO DATE 0.52 1.89 -1.37 0.63
SINCE DEC 1 4.43 5.99 -1.56 7.10
SINCE JAN 1 2.50 3.88 -1.38 4.13
SNOWFALL (IN)
YESTERDAY 0.0 2.9 1954 0.3 -0.3 T
MONTH TO DATE 4.9 10.4 -5.5 1.2
SINCE DEC 1 11.9 29.3 -17.4 18.5
SINCE JUL 1 14.8 31.3 -16.5 21.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 22 32 -10 2
MONTH TO DATE 1030 984 46 673
SINCE DEC 1 3349 3287 62 2664
SINCE JUL 1 4116 4438 -322 3628
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 26 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 10.6
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 3:00 AM
LOWEST 47 3:00 PM
AVERAGE 72
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 41 62 2016
MINIMUM TEMPERATURE (F) 26 -10 2015
SUNRISE AND SUNSET
FEBRUARY 28 2025......SUNRISE 6:28 AM CST SUNSET 5:41 PM CST
MARCH 1 2025.........SUNRISE 6:26 AM CST SUNSET 5:42 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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