110
CDUS43 KLOT 280631
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT MON APR 28 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 27 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 69 4:57 PM 87 1986 64 5 79
2021
MINIMUM 39 5:38 AM 29 1945 44 -5 59
AVERAGE 54 54 0 69
PRECIPITATION (IN)
YESTERDAY 0.00 2.13 1959 0.14 -0.14 0.03
MONTH TO DATE 2.66 3.30 -0.64 2.45
SINCE MAR 1 5.65 5.75 -0.10 6.04
SINCE JAN 1 8.15 9.71 -1.56 10.19
SNOWFALL (IN)
YESTERDAY 0.0 2.5 2019 0.1 -0.1 0.0
MONTH TO DATE T 1.3 -1.3 T
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 12 -1 0
MONTH TO DATE 415 436 -21 365
SINCE MAR 1 1045 1244 -199 1007
SINCE JUL 1 5180 5713 -533 4695
COOLING
YESTERDAY 0 0 0 4
MONTH TO DATE 4 0 4 7
SINCE MAR 1 4 2 2 7
SINCE JAN 1 4 2 2 7
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 6.9
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 6:00 AM
LOWEST 33 3:00 PM
AVERAGE 58
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 86 1915
MINIMUM TEMPERATURE (F) 45 28 1992
SUNRISE AND SUNSET
APRIL 28 2025.........SUNRISE 5:51 AM CDT SUNSET 7:47 PM CDT
APRIL 29 2025.........SUNRISE 5:50 AM CDT SUNSET 7:49 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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