009
CDUS43 KLOT 190633
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT WED MAR 19 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 18 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 72 4:32 PM 81 2012 48 24 37
MINIMUM 42 11:34 PM 3 1923 32 10 24
AVERAGE 57 40 17 31
PRECIPITATION (IN)
YESTERDAY 0.00 1.33 1983 0.08 -0.08 T
MONTH TO DATE 1.82 1.38 0.44 2.16
SINCE MAR 1 1.82 1.38 0.44 2.16
SINCE JAN 1 4.32 5.34 -1.02 6.31
SNOWFALL (IN)
YESTERDAY 0.0 4.5 1971 0.2 -0.2 T
MONTH TO DATE 1.1 4.1 -3.0 T
SINCE MAR 1 1.1 4.1 -3.0 T
SINCE JUL 1 15.9 35.7 -19.8 21.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 8 25 -17 34
MONTH TO DATE 389 509 -120 336
SINCE MAR 1 389 509 -120 336
SINCE JUL 1 4524 4978 -454 4024
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 22 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 11.4
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 10:00 PM
LOWEST 39 3:00 PM
AVERAGE 58
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 48 78 1921
2012
MINIMUM TEMPERATURE (F) 32 0 1923
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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