147 CDUS43 KLOT 180637 CLIRFD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 135 AM CDT THU MAY 18 2017 ................................... ...THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 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 85 340 PM 91 1934 72 13 64 MINIMUM 65 1110 PM 32 1930 49 16 43 AVERAGE 75 60 15 54 PRECIPITATION (IN) YESTERDAY 0.83 2.25 1969 0.13 0.70 T MONTH TO DATE 2.82 2.02 0.80 1.95 SINCE MAR 1 12.74 7.69 5.05 8.86 SINCE JAN 1 16.77 10.47 6.30 10.39 SNOWFALL (IN) YESTERDAY T R 0.0 MM 0.0 0.0 0.0 MONTH TO DATE T 0.0 0.0 0.0 SINCE MAR 1 5.1 5.7 -0.6 2.8 SINCE JUL 1 22.1 36.7 -14.6 24.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 6 -6 11 MONTH TO DATE 147 138 9 174 SINCE MAR 1 1303 1476 -173 1324 SINCE JUL 1 5377 6478 -1101 5510 COOLING YESTERDAY 10 1 9 0 MONTH TO DATE 26 15 11 0 SINCE MAR 1 34 23 11 7 SINCE JAN 1 34 23 11 7 .................................................................. WIND (MPH) HIGHEST WIND SPEED 40 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 49 HIGHEST GUST DIRECTION S (190) AVERAGE WIND SPEED 18.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM HEAVY RAIN LIGHT RAIN HAIL FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 73 500 AM LOWEST 47 300 PM AVERAGE 60 .......................................................... THE ROCKFORD IL CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 94 1934 MINIMUM TEMPERATURE (F) 49 31 2002 SUNRISE AND SUNSET MAY 18 2017...........SUNRISE 532 AM CDT SUNSET 814 PM CDT MAY 19 2017...........SUNRISE 531 AM CDT SUNSET 815 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$