277
CDUS43 KLOT 010641
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1241 AM CST SAT MAR 01 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 28 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 57 3:48 PM 62 2016 41 16 53
MINIMUM 34 11:59 PM -10 2015 26 8 20
AVERAGE 46 33 13 37
PRECIPITATION (IN)
YESTERDAY 0.00 1.35 1882 0.08 -0.08 0.02
MONTH TO DATE 0.52 1.97 -1.45 0.65
SINCE DEC 1 4.43 6.07 -1.64 7.12
SINCE JAN 1 2.50 3.96 -1.46 4.15
SNOWFALL (IN)
YESTERDAY 0.0 11.3 1900 0.3 -0.3 T
MONTH TO DATE 4.9 10.7 -5.8 1.2
SINCE DEC 1 11.9 29.6 -17.7 18.5
SINCE JUL 1 14.8 31.6 -16.8 21.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 19 32 -13 28
MONTH TO DATE 1049 1016 33 701
SINCE DEC 1 3368 3319 49 2692
SINCE JUL 1 4135 4470 -335 3656
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 35 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 50 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 18.2
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 73 2:00 AM
LOWEST 41 5:00 PM
AVERAGE 57
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 41 71 1992
MINIMUM TEMPERATURE (F) 26 -5 1962
SUNRISE AND SUNSET
MARCH 1 2025.........SUNRISE 6:26 AM CST SUNSET 5:42 PM CST
MARCH 2 2025.........SUNRISE 6:24 AM CST SUNSET 5:43 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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