National Weather Service Text Product
AFOS product CLIRFD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIRFD
Product Timestamp: 2017-12-18 06:33 UTC
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480
CDUS43 KLOT 180636
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1233 AM CST MON DEC 18 2017
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 17 2017...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1905 TO 2017
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 40 341 PM 50 2006 32 8 20
1977
1941
MINIMUM 27 1214 AM -12 1945 17 10 13
AVERAGE 34 25 9 17
PRECIPITATION (IN)
YESTERDAY 0.01 0.80 1921 0.06 -0.05 0.13
MONTH TO DATE 0.12 1.21 -1.09 1.38
SINCE DEC 1 0.12 1.21 -1.09 1.38
SINCE JAN 1 44.30 35.47 8.83 34.66
SNOWFALL (IN)
YESTERDAY 0.0 3.8 1951 0.4 -0.4 2.0
MONTH TO DATE 1.5 5.9 -4.4 15.0
SINCE DEC 1 1.5 5.9 -4.4 15.0
SINCE JUL 1 1.7 7.7 -6.0 15.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 31 40 -9 48
MONTH TO DATE 574 638 -64 727
SINCE DEC 1 574 638 -64 727
SINCE JUL 1 1788 1973 -185 1596
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 828 820 8 1103
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 4.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 300 AM
LOWEST 79 200 PM
AVERAGE 88
..........................................................
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 32 55 1941
MINIMUM TEMPERATURE (F) 17 -17 1983
SUNRISE AND SUNSET
DECEMBER 18 2017......SUNRISE 720 AM CST SUNSET 426 PM CST
DECEMBER 19 2017......SUNRISE 721 AM CST SUNSET 427 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$