439
CDUS43 KLOT 210632
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT MON APR 21 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 20 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 59 9:14 PM 87 1985 61 -2 45
MINIMUM 45 5:31 AM 24 1897 42 3 35
AVERAGE 52 51 1 40
PRECIPITATION (IN)
YESTERDAY 0.35 2.37 2000 0.14 0.21 0.00
MONTH TO DATE 1.96 2.35 -0.39 2.04
SINCE MAR 1 4.95 4.80 0.15 5.63
SINCE JAN 1 7.45 8.76 -1.31 9.78
SNOWFALL (IN)
YESTERDAY 0.0 0.2 1943 0.1 -0.1 0.0
MONTH TO DATE T 1.1 -1.1 T
SINCE MAR 1 2.8 6.6 -3.8 1.0
SINCE JUL 1 17.6 38.2 -20.6 22.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 13 14 -1 25
MONTH TO DATE 354 347 7 268
SINCE MAR 1 984 1155 -171 910
SINCE JUL 1 5119 5624 -505 4598
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 3 0 3 3
SINCE MAR 1 3 2 1 3
SINCE JAN 1 3 2 1 3
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 11.6
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 11:00 PM
LOWEST 58 7:00 AM
AVERAGE 76
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 88 1985
MINIMUM TEMPERATURE (F) 42 27 1986
SUNRISE AND SUNSET
APRIL 21 2025.........SUNRISE 6:01 AM CDT SUNSET 7:40 PM CDT
APRIL 22 2025.........SUNRISE 6:00 AM CDT SUNSET 7:41 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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