315
CDUS43 KLOT 190636
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1236 AM CST TUE DEC 19 2023
...............................
..THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 18 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 4:22 AM 55 1941 33 1 19
MINIMUM 16 11:59 PM -17 1983 20 -4 10
AVERAGE 25 26 -1 15
PRECIPITATION (IN)
YESTERDAY T 1.04 1957 0.06 -0.06 T
MONTH TO DATE 1.71 1.20 0.51 2.51
SINCE DEC 1 1.71 1.20 0.51 2.51
SINCE JAN 1 31.04 36.51 -5.47 39.42
SNOWFALL (IN)
YESTERDAY T 2.4 2000 0.3 -0.3 0.1
MONTH TO DATE 0.9 5.3 -4.4 1.3
SINCE DEC 1 0.9 5.3 -4.4 1.3
SINCE JUL 1 2.4 7.8 -5.4 3.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 40 39 1 50
MONTH TO DATE 522 647 -125 590
SINCE DEC 1 522 647 -125 590
SINCE JUL 1 1739 1963 -224 1866
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 33 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 48 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 15.9
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 1:00 AM
LOWEST 46 2:00 PM
AVERAGE 66
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THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 33 56 1988
MINIMUM TEMPERATURE (F) 19 -21 1983
SUNRISE AND SUNSET
DECEMBER 19 2023......SUNRISE 7:20 AM CST SUNSET 4:26 PM CST
DECEMBER 20 2023......SUNRISE 7:21 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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