897
CDUS43 KLOT 180651
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1251 AM CST MON DEC 18 2023
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR DECEMBER 17 2023
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 45 1:10 PM 60 1977 37 8 26
MINIMUM 37 11:59 PM -7 1951 25 12 20
AVERAGE 41 31 10 23
PRECIPITATION (IN)
YESTERDAY T 0.44 1928 0.06 -0.06 T
MONTH TO DATE 1.69 1.04 0.65 1.62
SINCE DEC 1 1.69 1.04 0.65 1.62
SINCE JAN 1 34.65 33.67 0.98 30.71
DEGREE DAYS
HEATING
YESTERDAY 24 34 -10 42
MONTH TO DATE 412 540 -128 493
SINCE DEC 1 412 540 -128 493
SINCE JUL 1 1364 1624 -260 1456
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1149 1112 37 1514
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WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 11.0
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 12:00 AM
LOWEST 76 8:00 PM
AVERAGE 85
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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 2023......SUNRISE 7:13 AM CST SUNSET 4:22 PM CST
DECEMBER 19 2023......SUNRISE 7:14 AM CST SUNSET 4:22 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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