930 CDUS45 KBOU 200849 CLIAPA CLIMATE REPORT NATIONAL WEATHER SERVICE BOULDER, CO 249 AM MDT THU SEP 20 2012 ................................... ...THE CENTENNIAL CO CLIMATE SUMMARY FOR SEPTEMBER 19 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 79 MM MM 75 4 79 MINIMUM 53 MM MM 46 7 48 AVERAGE 66 60 6 64 PRECIPITATION (IN) YESTERDAY 0.00 MM MM 0.03 -0.03 0.00 MONTH TO DATE 1.37 0.77 0.60 1.10 SINCE SEP 1 1.37 0.77 0.60 1.10 SINCE JAN 1 11.75 14.10 -2.35 1.13 DEGREE DAYS HEATING YESTERDAY 0 MONTH TO DATE 42 COOLING YESTERDAY 1 MONTH TO DATE 70 ........................................................... WIND (MPH) RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION S (160) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (80) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (70) SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 47 LOWEST 15 AVERAGE 31 .......................................................... THE CENTENNIAL CO CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 74 MM MM MINIMUM TEMPERATURE (F) 46 MM MM SUNRISE AND SUNSET SEPTEMBER 20 2012.....SUNRISE 646 AM MDT SUNSET 659 PM MDT SEPTEMBER 21 2012.....SUNRISE 647 AM MDT SUNSET 657 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$