540 CDUS43 KLOT 220636 CLIRFD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 1236 AM CST THU DEC 22 2016 ................................... ...THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 21 2016... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1905 TO 2016 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 36 1159 PM 56 1967 31 5 50 MINIMUM 17 414 AM -20 1963 16 1 40 AVERAGE 27 24 3 45 PRECIPITATION (IN) YESTERDAY 0.00 0.63 2015 0.06 -0.06 0.63 MONTH TO DATE 1.40 1.45 -0.05 2.65 SINCE DEC 1 1.40 1.45 -0.05 2.65 SINCE JAN 1 34.68 35.71 -1.03 38.03 SNOWFALL (IN) YESTERDAY 0.0 4.6 1983 0.4 -0.4 0.0 MONTH TO DATE 15.3 7.4 7.9 1.2 SINCE DEC 1 15.3 7.4 7.9 1.2 SINCE JUL 1 15.3 9.2 6.1 10.0 SNOW DEPTH 8 DEGREE DAYS HEATING YESTERDAY 38 41 -3 20 MONTH TO DATE 937 802 135 533 SINCE DEC 1 937 802 135 533 SINCE JUL 1 1806 2137 -331 1564 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 1103 820 283 825 .................................................................. WIND (MPH) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (180) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 8.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 84 200 AM LOWEST 64 600 PM AVERAGE 74 .......................................................... THE ROCKFORD IL CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 31 55 1957 MINIMUM TEMPERATURE (F) 16 -19 1989 SUNRISE AND SUNSET DECEMBER 22 2016......SUNRISE 722 AM CST SUNSET 428 PM CST DECEMBER 23 2016......SUNRISE 723 AM CST SUNSET 429 PM CST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$