833
CDUS43 KLOT 090641
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
141 AM CDT FRI MAY 09 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 8 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 58 1:55 PM 91 1963 68 -10 79
MINIMUM 41 11:42 PM 29 1983 48 -7 53
AVERAGE 50 58 -8 66
PRECIPITATION (IN)
YESTERDAY 0.00 1.26 1880 0.15 -0.15 0.00
MONTH TO DATE 0.33 1.17 -0.84 1.80
SINCE MAR 1 5.98 7.37 -1.39 8.86
SINCE JAN 1 8.48 11.33 -2.85 13.01
SNOWFALL (IN)
YESTERDAY 0.0 0.5 1923 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 15 8 7 0
MONTH TO DATE 79 73 6 19
SINCE MAR 1 1137 1349 -212 1032
SINCE JUL 1 5272 5818 -546 4720
COOLING
YESTERDAY 0 1 -1 1
MONTH TO DATE 0 8 -8 8
SINCE MAR 1 8 18 -10 17
SINCE JAN 1 8 18 -10 17
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WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 17.1
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 4:00 AM
LOWEST 47 7:00 PM
AVERAGE 62
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 94 1934
MINIMUM TEMPERATURE (F) 48 27 1983
SUNRISE AND SUNSET
MAY 9 2025...........SUNRISE 5:37 AM CDT SUNSET 7:59 PM CDT
MAY 10 2025...........SUNRISE 5:36 AM CDT SUNSET 8:00 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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