511
CDUS43 KLOT 152200
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
500 PM CDT TUE APR 15 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 15 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 54 2:34 PM 88 2002 59 -5 76
MINIMUM 38 6:07 AM 25 1943 40 -2 48
AVERAGE 46 49 -3 62
PRECIPITATION (IN)
TODAY T 1.74 1884 0.12 -0.12 0.00
MONTH TO DATE 1.50 1.68 -0.18 1.65
SINCE MAR 1 4.49 4.13 0.36 5.24
SINCE JAN 1 6.99 8.09 -1.10 9.39
SNOWFALL (IN)
TODAY 0.0 1.7 2020 0.0 0.0 0.0
MONTH TO DATE T 0.9 -0.9 T
SINCE MAR 1 2.8 6.4 -3.6 1.0
SINCE JUL 1 17.6 38.0 -20.4 22.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 19 16 3 3
MONTH TO DATE 294 274 20 211
SINCE MAR 1 924 1082 -158 853
SINCE JUL 1 5059 5551 -492 4541
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 2
SINCE MAR 1 0 2 -2 2
SINCE JAN 1 0 2 -2 2
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 17.1
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 6:00 AM
LOWEST 41 3:00 PM
AVERAGE 64
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 87 2002
MINIMUM TEMPERATURE (F) 40 18 1875
SUNRISE AND SUNSET
APRIL 15 2025.........SUNRISE 6:11 AM CDT SUNSET 7:33 PM CDT
APRIL 16 2025.........SUNRISE 6:09 AM CDT SUNSET 7:34 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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