977
CDUS43 KLOT 040639
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1239 AM CST SAT JAN 04 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 3 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 25 3:23 PM 60 1874 33 -8 36
1950
MINIMUM 18 11:59 PM -18 1879 20 -2 31
AVERAGE 22 26 -4 34
PRECIPITATION (IN)
YESTERDAY T 1.24 1897 0.07 -0.07 T
MONTH TO DATE 0.01 0.20 -0.19 T
SINCE DEC 1 1.94 2.31 -0.37 2.97
SINCE JAN 1 0.01 0.20 -0.19 T
SNOWFALL (IN)
YESTERDAY 0.2 7.1 1971 0.3 -0.1 T
MONTH TO DATE 0.3 0.9 -0.6 T
SINCE DEC 1 2.7 8.5 -5.8 1.2
SINCE JUL 1 5.6 10.5 -4.9 3.9
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 43 38 5 31
MONTH TO DATE 116 114 2 98
SINCE DEC 1 1129 1183 -54 896
SINCE JUL 1 1896 2334 -438 1860
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
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WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 11.9
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 5:00 AM
LOWEST 47 4:00 PM
AVERAGE 66
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 32 64 1997
MINIMUM TEMPERATURE (F) 20 -14 1884
SUNRISE AND SUNSET
JANUARY 4 2025.......SUNRISE 7:20 AM CST SUNSET 4:34 PM CST
JANUARY 5 2025.......SUNRISE 7:20 AM CST SUNSET 4:35 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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