547 CDUS46 KMTR 110831 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 126 AM PDT SUN AUG 11 2013 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR AUGUST 10 2013... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1998 TO 2013 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 77 358 PM 93 2002 79 -2 85 MINIMUM 56 1159 PM 47 2003 52 4 51 AVERAGE 67 66 1 68 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE 0.00 0.00 SINCE JUL 1 0.00 T SINCE JAN 1 1.97 13.77 SNOWFALL (IN) YESTERDAY 0.0 MONTH TO DATE 0.0 SINCE JUN 1 0.0 SINCE JUL 1 0.0 DEGREE DAYS HEATING YESTERDAY 0 0 MONTH TO DATE 14 3 SINCE JUN 1 64 90 SINCE JUL 1 34 29 COOLING YESTERDAY 2 3 MONTH TO DATE 2 22 SINCE JUN 1 130 113 SINCE JAN 1 150 127 .................................................................. WIND (MPH) RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (250) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 56 HIGHEST GUST DIRECTION E (110) AVERAGE WIND SPEED 10.0 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 87 900 PM LOWEST 50 400 PM AVERAGE 69 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 79 92 1998 MINIMUM TEMPERATURE (F) 52 45 2005 SUNRISE AND SUNSET AUGUST 11 2013........SUNRISE 621 AM PDT SUNSET 807 PM PDT AUGUST 12 2013........SUNRISE 622 AM PDT SUNSET 806 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$