166
CDUS43 KLOT 192141
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
441 PM CDT WED MAR 19 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 19 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 47 10:06 AM 78 1921 48 -1 58
2012
MINIMUM 39 4:44 AM 0 1923 32 7 29
AVERAGE 43 40 3 44
PRECIPITATION (IN)
TODAY 0.17 2.50 1948 0.08 0.09 0.00
MONTH TO DATE 1.99 1.46 0.53 2.16
SINCE MAR 1 1.99 1.46 0.53 2.16
SINCE JAN 1 4.49 5.42 -0.93 6.31
SNOWFALL (IN)
TODAY 0.0 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
TODAY 22 25 -3 21
MONTH TO DATE 411 534 -123 357
SINCE MAR 1 411 534 -123 357
SINCE JUL 1 4546 5003 -457 4045
COOLING
TODAY 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 23 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 12.6
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1:00 PM
LOWEST 68 10:00 AM
AVERAGE 81
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 49 85 2012
MINIMUM TEMPERATURE (F) 32 4 1885
SUNRISE AND SUNSET
MARCH 19 2025.........SUNRISE 6:56 AM CDT SUNSET 7:03 PM CDT
MARCH 20 2025.........SUNRISE 6:54 AM CDT SUNSET 7:04 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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