794 CDUS45 KBOU 210849 CLIAPA CLIMATE REPORT NATIONAL WEATHER SERVICE BOULDER, CO 149 AM MST FRI DEC 21 2012 ................................... ...THE CENTENNIAL CO CLIMATE SUMMARY FOR DECEMBER 20 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 44 MM MM 43 1 39 MINIMUM 4 MM MM 17 -13 18 AVERAGE 24 30 -6 29 PRECIPITATION (IN) YESTERDAY 0.00 MM MM 0.02 -0.02 0.00 MONTH TO DATE 0.08 0.45 -0.37 0.14 SINCE DEC 1 0.08 0.45 -0.37 0.14 SINCE JAN 1 13.72 17.19 -3.47 3.91 DEGREE DAYS HEATING YESTERDAY 41 MONTH TO DATE 599 COOLING YESTERDAY 0 MONTH TO DATE 0 ........................................................... WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (230) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (270) SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 55 LOWEST 22 AVERAGE 39 .......................................................... 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 21 2012......SUNRISE 717 AM MST SUNSET 439 PM MST DECEMBER 22 2012......SUNRISE 717 AM MST SUNSET 440 PM MST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$