206
CDUS43 KLOT 200637
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1237 AM CST WED DEC 20 2023
...............................
..THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 19 2023
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1905 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 34 1:52 PM 56 1988 33 1 24
MINIMUM 12 5:37 AM -21 1983 19 -7 7
AVERAGE 23 26 -3 16
PRECIPITATION (IN)
YESTERDAY 0.00 0.91 1987 0.06 -0.06 T
MONTH TO DATE 1.71 1.26 0.45 2.51
SINCE DEC 1 1.71 1.26 0.45 2.51
SINCE JAN 1 31.04 36.57 -5.53 39.42
SNOWFALL (IN)
YESTERDAY 0.0 6.8 2008 0.3 -0.3 T
MONTH TO DATE 0.9 5.6 -4.7 1.3
SINCE DEC 1 0.9 5.6 -4.7 1.3
SINCE JUL 1 2.4 8.1 -5.7 3.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 42 39 3 49
MONTH TO DATE 564 686 -122 639
SINCE DEC 1 564 686 -122 639
SINCE JUL 1 1781 2002 -221 1915
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 805 839 -34 978
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WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 8.2
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 5:00 AM
LOWEST 49 2:00 PM
AVERAGE 67
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THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 33 59 1949
MINIMUM TEMPERATURE (F) 19 -20 1963
SUNRISE AND SUNSET
DECEMBER 20 2023......SUNRISE 7:21 AM CST SUNSET 4:27 PM CST
DECEMBER 21 2023......SUNRISE 7:22 AM CST SUNSET 4:27 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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