774
CDUS43 KLOT 210650
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
150 AM CDT FRI MAR 21 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 20 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 44 4:55 PM 85 2012 49 -5 44
MINIMUM 31 7:42 AM 4 1885 32 -1 29
AVERAGE 38 40 -2 37
PRECIPITATION (IN)
YESTERDAY 0.22 0.96 1935 0.08 0.14 0.00
MONTH TO DATE 2.58 1.54 1.04 2.16
SINCE MAR 1 2.58 1.54 1.04 2.16
SINCE JAN 1 5.08 5.50 -0.42 6.31
SNOWFALL (IN)
YESTERDAY 1.7 6.0 1964 0.2 1.5 0.0
MONTH TO DATE 2.8 4.4 -1.6 T
SINCE MAR 1 2.8 4.4 -1.6 T
SINCE JUL 1 17.6 36.0 -18.4 21.2
SNOW DEPTH 2
DEGREE DAYS
HEATING
YESTERDAY 27 25 2 28
MONTH TO DATE 440 559 -119 385
SINCE MAR 1 440 559 -119 385
SINCE JUL 1 4575 5028 -453 4073
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 12.5
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAIL
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 4:00 AM
LOWEST 36 4:00 PM
AVERAGE 64
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 49 87 2012
MINIMUM TEMPERATURE (F) 33 9 1885
1888
SUNRISE AND SUNSET
MARCH 21 2025.........SUNRISE 6:53 AM CDT SUNSET 7:05 PM CDT
MARCH 22 2025.........SUNRISE 6:51 AM CDT SUNSET 7:06 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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