499 CDUS43 KLOT 220631 CLIRFD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 131 AM CDT MON MAY 22 2017 ................................... ...THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 21 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 63 126 AM 93 1934 73 -10 80 MINIMUM 50 1159 PM 29 2002 50 0 50 AVERAGE 57 62 -5 65 PRECIPITATION (IN) YESTERDAY T 1.70 1940 0.15 -0.15 0.00 MONTH TO DATE 3.57 2.58 0.99 1.95 SINCE MAR 1 13.49 8.25 5.24 8.86 SINCE JAN 1 17.52 11.03 6.49 10.39 SNOWFALL (IN) YESTERDAY 0.0 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 8 5 3 0 MONTH TO DATE 185 160 25 199 SINCE MAR 1 1341 1498 -157 1349 SINCE JUL 1 5415 6500 -1085 5535 COOLING YESTERDAY 0 2 -2 0 MONTH TO DATE 26 23 3 0 SINCE MAR 1 34 31 3 7 SINCE JAN 1 34 31 3 7 .................................................................. WIND (MPH) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (250) HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (230) AVERAGE WIND SPEED 12.0 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 97 1200 AM LOWEST 62 1100 AM AVERAGE 80 .......................................................... THE ROCKFORD IL CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 74 94 1925 MINIMUM TEMPERATURE (F) 50 33 1967 SUNRISE AND SUNSET MAY 22 2017...........SUNRISE 529 AM CDT SUNSET 818 PM CDT MAY 23 2017...........SUNRISE 528 AM CDT SUNSET 819 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$