640
CDUS43 KLOT 092132
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
432 PM CDT FRI MAY 09 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 9 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 66 2:59 PM 94 1934 68 -2 63
MINIMUM 37 2:46 AM 27 1983 48 -11 49
AVERAGE 52 58 -6 56
PRECIPITATION (IN)
TODAY 0.00 3.14 1990 0.15 -0.15 0.51
MONTH TO DATE 0.33 1.32 -0.99 2.31
SINCE MAR 1 5.98 7.52 -1.54 9.37
SINCE JAN 1 8.48 11.48 -3.00 13.52
SNOWFALL (IN)
TODAY 0.0 0.1 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
TODAY 13 8 5 9
MONTH TO DATE 92 81 11 28
SINCE MAR 1 1150 1357 -207 1041
SINCE JUL 1 5285 5826 -541 4729
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 0 9 -9 8
SINCE MAR 1 8 19 -11 17
SINCE JAN 1 8 19 -11 17
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 6.9
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 3:00 AM
LOWEST 23 3:00 PM
AVERAGE 54
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 90 2011
MINIMUM TEMPERATURE (F) 49 28 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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