838
CDUS43 KLOT 200637
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1237 AM CST WED DEC 20 2023
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR DECEMBER 19 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 34 10:40 PM 56 0 37 -3 26
1957
1988
MINIMUM 18 6:21 AM -12 1983 24 -6 10
AVERAGE 26 30 -4 18
PRECIPITATION (IN)
YESTERDAY 0.00 0.80 1987 0.05 -0.05 0.00
MONTH TO DATE 1.69 1.15 0.54 1.62
SINCE DEC 1 1.69 1.15 0.54 1.62
SINCE JAN 1 34.65 33.78 0.87 30.71
DEGREE DAYS
HEATING
YESTERDAY 39 35 4 47
MONTH TO DATE 486 609 -123 587
SINCE DEC 1 486 609 -123 587
SINCE JUL 1 1438 1693 -255 1550
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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 9.8
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71 8:00 AM
LOWEST 47 1:00 PM
AVERAGE 59
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 36 59 1949
1988
MINIMUM TEMPERATURE (F) 24 -9 1963
SUNRISE AND SUNSET
DECEMBER 20 2023......SUNRISE 7:14 AM CST SUNSET 4:23 PM CST
DECEMBER 21 2023......SUNRISE 7:15 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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