105
CDUS43 KLOT 160639
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
139 AM CDT SUN MAR 16 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 15 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 66 12:45 PM 81 2012 47 19 54
MINIMUM 41 11:59 PM 6 1877 31 10 37
1890
AVERAGE 54 39 15 46
PRECIPITATION (IN)
YESTERDAY 0.31 1.43 1943 0.08 0.23 0.00
MONTH TO DATE 1.61 1.15 0.46 2.16
SINCE MAR 1 1.61 1.15 0.46 2.16
SINCE JAN 1 4.11 5.11 -1.00 6.31
SNOWFALL (IN)
YESTERDAY 0.0 3.4 1912 0.2 -0.2 0.0
MONTH TO DATE T 3.6 -3.6 0.0
SINCE MAR 1 T 3.6 -3.6 0.0
SINCE JUL 1 14.8 35.2 -20.4 21.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 11 26 -15 19
MONTH TO DATE 327 432 -105 256
SINCE MAR 1 327 432 -105 256
SINCE JUL 1 4462 4901 -439 3944
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 15.3
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 12:00 AM
LOWEST 44 10:00 AM
AVERAGE 69
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 82 2012
MINIMUM TEMPERATURE (F) 31 -1 1900
SUNRISE AND SUNSET
MARCH 16 2025.........SUNRISE 7:01 AM CDT SUNSET 7:00 PM CDT
MARCH 17 2025.........SUNRISE 7:00 AM CDT SUNSET 7:01 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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