717 CDUS45 KBOU 170849 CLIAPA CLIMATE REPORT NATIONAL WEATHER SERVICE BOULDER, CO 149 AM MST MON DEC 17 2012 ................................... ...THE CENTENNIAL CO CLIMATE SUMMARY FOR DECEMBER 16 2012... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 9999 TO 9999 WEATHER ITEM OBSERVED RECORD YEAR NORMAL DEPARTURE LAST VALUE VALUE VALUE FROM YEAR NORMAL ........................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 43 MM MM 43 0 38 MINIMUM 16 MM MM 17 -1 14 AVERAGE 30 30 0 26 PRECIPITATION (IN) YESTERDAY 0.00 MM MM 0.01 -0.01 0.00 MONTH TO DATE 0.07 0.39 -0.32 0.09 SINCE DEC 1 0.07 0.39 -0.32 0.09 SINCE JAN 1 13.71 17.13 -3.42 3.86 DEGREE DAYS HEATING YESTERDAY 35 MONTH TO DATE 450 COOLING YESTERDAY 0 MONTH TO DATE 0 ........................................................... WIND (MPH) RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (300) HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION NW (320) HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION NW (320) SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 91 LOWEST 24 AVERAGE 58 .......................................................... THE CENTENNIAL CO CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 43 MM MM MINIMUM TEMPERATURE (F) 17 MM MM SUNRISE AND SUNSET DECEMBER 17 2012......SUNRISE 714 AM MST SUNSET 437 PM MST DECEMBER 18 2012......SUNRISE 715 AM MST SUNSET 438 PM MST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$