Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 200658
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
158 AM CDT SUN APR 20 2025
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 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 60 4:46 PM 86 1985 60 0 56
MINIMUM 44 7:47 AM 22 1983 41 3 41
AVERAGE 52 51 1 49
PRECIPITATION (IN)
YESTERDAY T 1.52 1970 0.13 -0.13 0.00
MONTH TO DATE 1.61 2.21 -0.60 2.04
SINCE MAR 1 4.60 4.66 -0.06 5.63
SINCE JAN 1 7.10 8.62 -1.52 9.78
SNOWFALL (IN)
YESTERDAY 0.0 2.0 1888 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 13 14 -1 16
MONTH TO DATE 341 333 8 243
SINCE MAR 1 971 1141 -170 885
SINCE JUL 1 5106 5610 -504 4573
COOLING
YESTERDAY 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 18 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 6.9
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 3:00 AM
LOWEST 51 6:00 PM
AVERAGE 72
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 87 1985
MINIMUM TEMPERATURE (F) 42 24 1897
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.
$$