712
CDUS43 KLOT 200638
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
138 AM CDT THU MAR 20 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 19 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 47 10:06 AM 78 1921 48 -1 58
2012
MINIMUM 35 11:41 PM 0 1923 32 3 29
AVERAGE 41 40 1 44
PRECIPITATION (IN)
YESTERDAY 0.54 2.50 1948 0.08 0.46 0.00
MONTH TO DATE 2.36 1.46 0.90 2.16
SINCE MAR 1 2.36 1.46 0.90 2.16
SINCE JAN 1 4.86 5.42 -0.56 6.31
SNOWFALL (IN)
YESTERDAY T 4.1 1986 0.1 -0.1 0.0
MONTH TO DATE 1.1 4.2 -3.1 T
SINCE MAR 1 1.1 4.2 -3.1 T
SINCE JUL 1 15.9 35.8 -19.9 21.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 24 25 -1 21
MONTH TO DATE 413 534 -121 357
SINCE MAR 1 413 534 -121 357
SINCE JUL 1 4548 5003 -455 4045
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 29 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 14.5
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
HAIL
SLEET
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 4:00 PM
LOWEST 68 10:00 AM
AVERAGE 81
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 49 85 2012
MINIMUM TEMPERATURE (F) 32 4 1885
SUNRISE AND SUNSET
MARCH 20 2025.........SUNRISE 6:54 AM CDT SUNSET 7:04 PM CDT
MARCH 21 2025.........SUNRISE 6:53 AM CDT SUNSET 7:05 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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