787
CDUS43 KLOT 202137
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
437 PM CDT SUN APR 20 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 20 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 53 2:59 PM 87 1985 61 -8 45
MINIMUM 45 5:31 AM 24 1897 42 3 35
AVERAGE 49 51 -2 40
PRECIPITATION (IN)
TODAY 0.26 2.37 2000 0.14 0.12 0.00
MONTH TO DATE 1.87 2.35 -0.48 2.04
SINCE MAR 1 4.86 4.80 0.06 5.63
SINCE JAN 1 7.36 8.76 -1.40 9.78
SNOWFALL (IN)
TODAY 0.0 0.2 1943 0.1 -0.1 0.0
MONTH TO DATE T 1.1 -1.1 T
SINCE MAR 1 2.8 6.6 -3.8 1.0
SINCE JUL 1 17.6 38.2 -20.6 22.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 16 14 2 25
MONTH TO DATE 357 347 10 268
SINCE MAR 1 987 1155 -168 910
SINCE JUL 1 5122 5624 -502 4598
COOLING
TODAY 0 0 0 0
MONTH TO DATE 3 0 3 3
SINCE MAR 1 3 2 1 3
SINCE JAN 1 3 2 1 3
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 9.5
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 1:00 PM
LOWEST 58 7:00 AM
AVERAGE 72
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 88 1985
MINIMUM TEMPERATURE (F) 42 27 1986
SUNRISE AND SUNSET
APRIL 20 2025.........SUNRISE 6:03 AM CDT SUNSET 7:39 PM CDT
APRIL 21 2025.........SUNRISE 6:01 AM CDT SUNSET 7:40 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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