102
CDUS43 KLOT 120634
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT SAT APR 12 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 11 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 52 4:40 PM 90 1930 57 -5 60
MINIMUM 33 4:36 AM 25 1882 39 -6 49
1973
1989
AVERAGE 43 48 -5 55
PRECIPITATION (IN)
YESTERDAY 0.00 2.41 1871 0.11 -0.11 0.01
MONTH TO DATE 1.50 1.21 0.29 1.59
SINCE MAR 1 4.49 3.66 0.83 5.18
SINCE JAN 1 6.99 7.62 -0.63 9.33
SNOWFALL (IN)
YESTERDAY 0.0 3.0 2007 0.0 0.0 0.0
MONTH TO DATE T 0.7 -0.7 T
SINCE MAR 1 2.8 6.2 -3.4 1.0
SINCE JUL 1 17.6 37.8 -20.2 22.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 22 17 5 10
MONTH TO DATE 243 209 34 193
SINCE MAR 1 873 1017 -144 835
SINCE JUL 1 5008 5486 -478 4523
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 2 -2 0
SINCE JAN 1 0 2 -2 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 8.1
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 4:00 AM
LOWEST 38 3:00 PM
AVERAGE 63
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 86 1971
1977
MINIMUM TEMPERATURE (F) 39 21 1939
1957
SUNRISE AND SUNSET
APRIL 12 2025.........SUNRISE 6:16 AM CDT SUNSET 7:30 PM CDT
APRIL 13 2025.........SUNRISE 6:14 AM CDT SUNSET 7:31 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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