517 CDUS45 KBOU 211151 CLIAPA CLIMATE REPORT NATIONAL WEATHER SERVICE BOULDER, CO 522 AM MDT MON MAY 21 2012 ................................... ...THE CENTENNIAL CO CLIMATE SUMMARY FOR MAY 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 73 MM MM 71 2 MM MINIMUM 40 MM MM 44 -4 MM AVERAGE 57 57 0 MM PRECIPITATION (IN) YESTERDAY 0.00 MM MM 0.07 -0.07 MM MONTH TO DATE 0.83 1.55 -0.72 MM SINCE MAR 1 2.12 4.81 -2.69 MM SINCE JAN 1 4.04 5.74 -1.70 MM DEGREE DAYS HEATING YESTERDAY 8 MONTH TO DATE 159 COOLING YESTERDAY 0 MONTH TO DATE 13 ........................................................... WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION S (160) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SE (150) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SE (150) SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 LOWEST 23 AVERAGE 58 .......................................................... THE CENTENNIAL CO CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 71 MM MM MINIMUM TEMPERATURE (F) 44 MM MM SUNRISE AND SUNSET MAY 21 2012...........SUNRISE 540 AM MDT SUNSET 813 PM MDT MAY 22 2012...........SUNRISE 539 AM MDT SUNSET 813 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$