045 CDUS46 KMTR 020827 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 127 AM PDT MON SEP 2 2013 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 1 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 84 243 PM 99 2002 81 3 69 MINIMUM 57 455 AM 45 1999 52 5 53 AVERAGE 71 66 5 61 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 4 MONTH TO DATE 0 4 SINCE SEP 1 0 4 SINCE JUL 1 36 59 COOLING YESTERDAY 6 0 MONTH TO DATE 6 0 SINCE SEP 1 6 0 SINCE JAN 1 243 153 .................................................................. WIND (MPH) RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (250) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (250) HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (260) AVERAGE WIND SPEED 10.7 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 86 100 AM LOWEST 37 300 PM AVERAGE 62 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 81 98 2010 MINIMUM TEMPERATURE (F) 51 46 2008 SUNRISE AND SUNSET SEPTEMBER 2 2013.....SUNRISE 640 AM PDT SUNSET 737 PM PDT SEPTEMBER 3 2013.....SUNRISE 641 AM PDT SUNSET 735 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$