148
CDUS43 KLOT 170643
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
143 AM CDT TUE MAR 17 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 16 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 30 1:08 AM 82 2012 47 -17 41
MINIMUM 18 11:59 PM -1 1900 31 -13 30
AVERAGE 24 39 -15 36
PRECIPITATION (IN)
YESTERDAY 0.07 1.64 1876 0.07 0.00 0.21
MONTH TO DATE 4.23 1.22 3.01 1.82
SINCE MAR 1 4.23 1.22 3.01 1.82
SINCE JAN 1 6.92 5.18 1.74 4.32
SNOWFALL (IN)
YESTERDAY 1.2 6.0 1960 0.1 1.1 1.1
MONTH TO DATE 1.4 3.7 -2.3 1.1
SINCE MAR 1 1.4 3.7 -2.3 1.1
SINCE JUL 1 33.7 35.3 -1.6 15.9
SNOW DEPTH 1
DEGREE DAYS
HEATING
YESTERDAY 41 26 15 29
MONTH TO DATE 372 458 -86 356
SINCE MAR 1 372 458 -86 356
SINCE JUL 1 4732 4927 -195 4491
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 29 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 18.4
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
SNOW
LIGHT SNOW
FOG
BLOWING SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 2:00 AM
LOWEST 51 11:00 PM
AVERAGE 74
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 48 82 2012
MINIMUM TEMPERATURE (F) 31 -1 1900
SUNRISE AND SUNSET
MARCH 17 2026.........SUNRISE 7:00 AM CDT SUNSET 7:01 PM CDT
MARCH 18 2026.........SUNRISE 6:58 AM CDT SUNSET 7:02 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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