540
CDUS43 KLOT 080639
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
139 AM CDT THU MAY 08 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 7 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 75 9:41 AM 87 1936 67 8 75
1964
2023
MINIMUM 48 11:59 PM 29 1989 48 0 58
AVERAGE 62 58 4 67
PRECIPITATION (IN)
YESTERDAY 0.00 2.07 1998 0.15 -0.15 0.78
MONTH TO DATE 0.33 1.02 -0.69 1.80
SINCE MAR 1 5.98 7.22 -1.24 8.86
SINCE JAN 1 8.48 11.18 -2.70 13.01
SNOWFALL (IN)
YESTERDAY 0.0 T 1947 0.0 0.0 0.0
1960
1989
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 3 8 -5 0
MONTH TO DATE 64 65 -1 19
SINCE MAR 1 1122 1341 -219 1032
SINCE JUL 1 5257 5810 -553 4720
COOLING
YESTERDAY 0 1 -1 2
MONTH TO DATE 0 7 -7 7
SINCE MAR 1 8 17 -9 16
SINCE JAN 1 8 17 -9 16
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 13.0
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 3:00 AM
LOWEST 46 10:00 AM
AVERAGE 65
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 91 1963
MINIMUM TEMPERATURE (F) 48 29 1983
SUNRISE AND SUNSET
MAY 8 2025...........SUNRISE 5:38 AM CDT SUNSET 7:58 PM CDT
MAY 9 2025...........SUNRISE 5:37 AM CDT SUNSET 7:59 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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