991
CDUS43 KLOT 160635
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT FRI MAY 16 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 15 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 94R 4:19 PM 91 1962 70 24 67
MINIMUM 57 3:39 AM 35 1895 50 7 52
2016
AVERAGE 76 60 16 60
PRECIPITATION (IN)
YESTERDAY T 2.31 1915 0.14 -0.14 0.00
MONTH TO DATE 0.33 2.22 -1.89 2.57
SINCE MAR 1 5.98 8.42 -2.44 9.63
SINCE JAN 1 8.48 12.38 -3.90 13.78
SNOWFALL (IN)
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE MAR 1 2.8 6.8 -4.0 1.0
SINCE JUL 1 17.6 38.4 -20.8 22.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 6 -6 5
MONTH TO DATE 106 123 -17 53
SINCE MAR 1 1164 1399 -235 1066
SINCE JUL 1 5299 5868 -569 4754
COOLING
YESTERDAY 11 2 9 0
MONTH TO DATE 17 18 -1 16
SINCE MAR 1 25 28 -3 25
SINCE JAN 1 25 28 -3 25
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WIND (MPH)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 50 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 11.3
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
HAIL
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 3:00 AM
LOWEST 36 9:00 PM
AVERAGE 62
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 94 1962
MINIMUM TEMPERATURE (F) 51 33 1997
SUNRISE AND SUNSET
MAY 16 2025...........SUNRISE 5:30 AM CDT SUNSET 8:07 PM CDT
MAY 17 2025...........SUNRISE 5:29 AM CDT SUNSET 8:08 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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