919
CDUS43 KLOT 150640
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
140 AM CDT TUE APR 15 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 14 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 64 3:37 PM 85 2003 58 6 81
MINIMUM 48 11:59 PM 23 1907 40 8 53
1943
AVERAGE 56 49 7 67
PRECIPITATION (IN)
YESTERDAY 0.00 1.21 1949 0.11 -0.11 0.00
MONTH TO DATE 1.50 1.56 -0.06 1.65
SINCE MAR 1 4.49 4.01 0.48 5.24
SINCE JAN 1 6.99 7.97 -0.98 9.39
SNOWFALL (IN)
YESTERDAY 0.0 5.4 2019 0.1 -0.1 0.0
MONTH TO DATE T 0.9 -0.9 T
SINCE MAR 1 2.8 6.4 -3.6 1.0
SINCE JUL 1 17.6 38.0 -20.4 22.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 9 16 -7 0
MONTH TO DATE 275 258 17 208
SINCE MAR 1 905 1066 -161 850
SINCE JUL 1 5040 5535 -495 4538
COOLING
YESTERDAY 0 0 0 2
MONTH TO DATE 0 0 0 2
SINCE MAR 1 0 2 -2 2
SINCE JAN 1 0 2 -2 2
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 14.9
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 67 4:00 AM
LOWEST 32 3:00 PM
AVERAGE 50
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 88 2002
MINIMUM TEMPERATURE (F) 40 25 1943
SUNRISE AND SUNSET
APRIL 15 2025.........SUNRISE 6:11 AM CDT SUNSET 7:33 PM CDT
APRIL 16 2025.........SUNRISE 6:09 AM CDT SUNSET 7:34 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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