992
CDUS43 KLOT 180633
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1233 AM CST WED DEC 18 2024
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR DECEMBER 17 2024
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 39 3:00 PM 60 1977 37 2 45
MINIMUM 33 9:14 PM -7 1951 25 8 37
AVERAGE 36 31 5 41
PRECIPITATION (IN)
YESTERDAY 0.00 0.44 1928 0.06 -0.06 T
MONTH TO DATE 0.26 1.04 -0.78 1.69
SINCE DEC 1 0.26 1.04 -0.78 1.69
SINCE JAN 1 35.45 33.67 1.78 34.65
DEGREE DAYS
HEATING
YESTERDAY 29 34 -5 24
MONTH TO DATE 577 540 37 412
SINCE DEC 1 577 540 37 412
SINCE JUL 1 1283 1624 -341 1364
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1384 1112 272 1149
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 8.8
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79 12:00 AM
LOWEST 64 12:00 PM
AVERAGE 72
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THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 37 59 1939
MINIMUM TEMPERATURE (F) 24 -9 1983
SUNRISE AND SUNSET
DECEMBER 18 2024......SUNRISE 7:14 AM CST SUNSET 4:22 PM CST
DECEMBER 19 2024......SUNRISE 7:14 AM CST SUNSET 4:23 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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