Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 190634
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT SAT APR 19 2025
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 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 76 3:49 PM 89 2002 60 16 58
MINIMUM 60 11:59 PM 23 1875 41 19 47
1983
AVERAGE 68 50 18 53
PRECIPITATION (IN)
YESTERDAY 0.06 3.83 1975 0.14 -0.08 0.10
MONTH TO DATE 1.61 2.08 -0.47 2.04
SINCE MAR 1 4.60 4.53 0.07 5.63
SINCE JAN 1 7.10 8.49 -1.39 9.78
SNOWFALL (IN)
YESTERDAY 0.0 0.6 2011 0.0 0.0 0.0
MONTH TO DATE T 1.0 -1.0 T
SINCE MAR 1 2.8 6.5 -3.7 1.0
SINCE JUL 1 17.6 38.1 -20.5 22.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 15 -15 12
MONTH TO DATE 328 319 9 227
SINCE MAR 1 958 1127 -169 869
SINCE JUL 1 5093 5596 -503 4557
COOLING
YESTERDAY 3 0 3 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 26 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 16.1
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 10:00 PM
LOWEST 42 12:00 AM
AVERAGE 66
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 86 1985
MINIMUM TEMPERATURE (F) 41 22 1983
SUNRISE AND SUNSET
APRIL 19 2025.........SUNRISE 6:04 AM CDT SUNSET 7:38 PM CDT
APRIL 20 2025.........SUNRISE 6:03 AM CDT SUNSET 7:39 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$