267
CDUS43 KLOT 040635
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1235 AM CST TUE MAR 04 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 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 48 4:04 PM 80 1974 42 6 73
MINIMUM 32 3:26 AM -6 1873 27 5 43
AVERAGE 40 34 6 58
PRECIPITATION (IN)
YESTERDAY 0.00 1.21 1966 0.09 -0.09 0.00
MONTH TO DATE T 0.25 -0.25 0.00
SINCE MAR 1 T 0.25 -0.25 0.00
SINCE JAN 1 2.50 4.21 -1.71 4.15
SNOWFALL (IN)
YESTERDAY 0.0 3.9 1960 0.3 -0.3 0.0
MONTH TO DATE T 0.8 -0.8 0.0
SINCE MAR 1 T 0.8 -0.8 0.0
SINCE JUL 1 14.8 32.4 -17.6 21.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 25 31 -6 7
MONTH TO DATE 99 93 6 50
SINCE MAR 1 99 93 6 50
SINCE JUL 1 4234 4562 -328 3738
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 21 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 10.5
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 56 12:00 AM
LOWEST 37 3:00 PM
AVERAGE 47
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 73 1983
MINIMUM TEMPERATURE (F) 27 -12 1873
SUNRISE AND SUNSET
MARCH 4 2025.........SUNRISE 6:21 AM CST SUNSET 5:46 PM CST
MARCH 5 2025.........SUNRISE 6:20 AM CST SUNSET 5:47 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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