901
CDUS43 KLOT 180651
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1251 AM CST MON DEC 18 2023
...............................
..THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 17 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 43 3:55 AM 50 1941 34 9 24
1977
2006
MINIMUM 33 11:59 PM -12 1945 20 13 19
AVERAGE 38 27 11 22
PRECIPITATION (IN)
YESTERDAY T 0.80 1921 0.06 -0.06 0.01
MONTH TO DATE 1.71 1.14 0.57 2.51
SINCE DEC 1 1.71 1.14 0.57 2.51
SINCE JAN 1 31.04 36.45 -5.41 39.42
SNOWFALL (IN)
YESTERDAY T 3.8 1951 0.4 -0.4 0.1
MONTH TO DATE 0.9 5.0 -4.1 1.2
SINCE DEC 1 0.9 5.0 -4.1 1.2
SINCE JUL 1 2.4 7.5 -5.1 3.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 27 38 -11 43
MONTH TO DATE 482 608 -126 540
SINCE DEC 1 482 608 -126 540
SINCE JUL 1 1699 1924 -225 1816
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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 10.5
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 AM
LOWEST 75 11:00 PM
AVERAGE 88
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THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 33 55 1941
MINIMUM TEMPERATURE (F) 20 -17 1983
SUNRISE AND SUNSET
DECEMBER 18 2023......SUNRISE 7:20 AM CST SUNSET 4:26 PM CST
DECEMBER 19 2023......SUNRISE 7:20 AM CST SUNSET 4:26 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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