336 CDUS46 KMTR 120828 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 128 AM PDT THU SEP 12 2013 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 11 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 79 333 PM 95 2003 80 -1 76 MINIMUM 63 1150 PM 40 2005 50 13 52 AVERAGE 71 65 6 64 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 0 1 MONTH TO DATE 1 20 SINCE SEP 1 1 20 SINCE JUL 1 37 75 COOLING YESTERDAY 6 0 MONTH TO DATE 47 9 SINCE SEP 1 47 9 SINCE JAN 1 284 162 .................................................................. WIND (MPH) RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION W (250) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM AVERAGE WIND SPEED 11.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 78 1200 AM LOWEST 50 400 PM AVERAGE 64 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 80 99 2003 MINIMUM TEMPERATURE (F) 50 40 2005 SUNRISE AND SUNSET SEPTEMBER 12 2013.....SUNRISE 648 AM PDT SUNSET 721 PM PDT SEPTEMBER 13 2013.....SUNRISE 649 AM PDT SUNSET 720 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$