776 CDUS46 KMTR 110826 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 126 AM PDT WED SEP 11 2013 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 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 74 1226 PM 94 2009 81 -7 83 MINIMUM 54 336 AM 40 2005 50 4 55 AVERAGE 64 66 -2 69 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 SEP 1 0.0 SINCE JUL 1 0.0 DEGREE DAYS HEATING YESTERDAY 1 0 MONTH TO DATE 1 19 SINCE SEP 1 1 19 SINCE JUL 1 37 74 COOLING YESTERDAY 0 4 MONTH TO DATE 41 9 SINCE SEP 1 41 9 SINCE JAN 1 278 162 .................................................................. WIND (MPH) RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION SW (240) HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 12.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 200 AM LOWEST 61 100 PM AVERAGE 77 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 80 95 2003 MINIMUM TEMPERATURE (F) 50 40 2005 SUNRISE AND SUNSET SEPTEMBER 11 2013.....SUNRISE 648 AM PDT SUNSET 723 PM PDT SEPTEMBER 12 2013.....SUNRISE 648 AM PDT SUNSET 721 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$