803
CDUS43 KLOT 130643
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
143 AM CDT TUE MAY 13 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 12 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 80 10:39 AM 92 1956 69 11 83
MINIMUM 48 3:49 AM 31 1981 49 -1 49
AVERAGE 64 59 5 66
PRECIPITATION (IN)
YESTERDAY T 2.67 1935 0.15 -0.15 0.00
MONTH TO DATE 0.33 1.77 -1.44 2.42
SINCE MAR 1 5.98 7.97 -1.99 9.48
SINCE JAN 1 8.48 11.93 -3.45 13.63
SNOWFALL (IN)
YESTERDAY 0.0 T 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 1 7 -6 0
MONTH TO DATE 106 103 3 40
SINCE MAR 1 1164 1379 -215 1053
SINCE JUL 1 5299 5848 -549 4741
COOLING
YESTERDAY 0 1 -1 1
MONTH TO DATE 0 12 -12 9
SINCE MAR 1 8 22 -14 18
SINCE JAN 1 8 22 -14 18
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WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 6.2
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 4:00 AM
LOWEST 35 11:00 AM
AVERAGE 55
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 89 1956
1991
2022
MINIMUM TEMPERATURE (F) 50 34 1888
1996
SUNRISE AND SUNSET
MAY 13 2025...........SUNRISE 5:33 AM CDT SUNSET 8:04 PM CDT
MAY 14 2025...........SUNRISE 5:32 AM CDT SUNSET 8:05 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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