Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 240644
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
144 AM CDT SAT MAY 24 2025
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 23 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 65 12:28 PM 92 1921 73 -8 81
1964
1977
MINIMUM 42 3:00 AM 37 1917 53 -11 58
AVERAGE 54 63 -9 70
PRECIPITATION (IN)
YESTERDAY 0.00 1.23 1995 0.14 -0.14 0.00
MONTH TO DATE 1.01 3.40 -2.39 3.05
SINCE MAR 1 6.66 9.60 -2.94 10.11
SINCE JAN 1 9.16 13.56 -4.40 14.26
SNOWFALL (IN)
YESTERDAY 0.0 T 1889 0.0 0.0 0.0
MONTH TO DATE T 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 11 5 6 0
MONTH TO DATE 186 167 19 54
SINCE MAR 1 1244 1443 -199 1067
SINCE JUL 1 5379 5912 -533 4755
COOLING
YESTERDAY 0 3 -3 5
MONTH TO DATE 26 36 -10 62
SINCE MAR 1 34 46 -12 71
SINCE JAN 1 34 46 -12 71
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 5.6
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 4:00 AM
LOWEST 41 12:00 PM
AVERAGE 64
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 93 1921
1950
MINIMUM TEMPERATURE (F) 53 34 1992
SUNRISE AND SUNSET
MAY 24 2025...........SUNRISE 5:23 AM CDT SUNSET 8:14 PM CDT
MAY 25 2025...........SUNRISE 5:22 AM CDT SUNSET 8:15 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$