004 CDUS45 KBOU 180849 CLIAPA CLIMATE REPORT NATIONAL WEATHER SERVICE BOULDER, CO 249 AM MDT TUE SEP 18 2012 ................................... ...THE CENTENNIAL CO CLIMATE SUMMARY FOR SEPTEMBER 17 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 65 MM MM 75 -10 74 MINIMUM 47 MM MM 47 0 46 AVERAGE 56 61 -5 60 PRECIPITATION (IN) YESTERDAY T MM MM 0.04 -0.04 0.14 MONTH TO DATE 1.37 0.70 0.67 1.10 SINCE SEP 1 1.37 0.70 0.67 1.10 SINCE JAN 1 11.75 14.03 -2.28 1.13 DEGREE DAYS HEATING YESTERDAY 9 MONTH TO DATE 37 COOLING YESTERDAY 0 MONTH TO DATE 69 ........................................................... WIND (MPH) RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NE (50) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (20) HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION N (20) SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 74 LOWEST 37 AVERAGE 56 .......................................................... THE CENTENNIAL CO CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 75 MM MM MINIMUM TEMPERATURE (F) 47 MM MM SUNRISE AND SUNSET SEPTEMBER 18 2012.....SUNRISE 644 AM MDT SUNSET 702 PM MDT SEPTEMBER 19 2012.....SUNRISE 645 AM MDT SUNSET 701 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$