496 CDUS46 KMTR 100827 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 127 AM PDT THU SEP 10 2015 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 9 2015... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1998 TO 2015 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 99R 228 PM 92 2002 81 18 78 MINIMUM 52 606 AM 43 2002 51 1 52 AVERAGE 76 66 10 65 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE 0.00 0.00 SINCE OCT 1 16.43 9.70 SINCE JAN 1 4.04 8.34 DEGREE DAYS HEATING YESTERDAY 0 0 MONTH TO DATE 6 6 SINCE SEP 1 6 6 SINCE JUL 1 12 28 COOLING YESTERDAY 11 0 MONTH TO DATE 28 12 SINCE SEP 1 28 12 SINCE JAN 1 291 185 .................................................................. WIND (MPH) RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (200) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 4.5 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 68 400 AM LOWEST 12 100 PM AVERAGE 40 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 81 94 2009 MINIMUM TEMPERATURE (F) 50 40 2005 SUNRISE AND SUNSET SEPTEMBER 10 2015.....SUNRISE 646 AM PDT SUNSET 725 PM PDT SEPTEMBER 11 2015.....SUNRISE 647 AM PDT SUNSET 724 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$