522 CDUS46 KMTR 130834 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 134 AM PDT SUN SEP 13 2015 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 12 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 81 448 PM 99 2003 80 1 86 MINIMUM 54 611 AM 40 2005 50 4 49 AVERAGE 68 65 3 68 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 3 3 MONTH TO DATE 44 27 SINCE SEP 1 44 27 SINCE JAN 1 307 200 .................................................................. WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (220) HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION N (350) HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (350) AVERAGE WIND SPEED 9.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 400 AM LOWEST 49 400 PM AVERAGE 71 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 80 100 2003 MINIMUM TEMPERATURE (F) 50 46 2002 SUNRISE AND SUNSET SEPTEMBER 13 2015.....SUNRISE 649 AM PDT SUNSET 720 PM PDT SEPTEMBER 14 2015.....SUNRISE 650 AM PDT SUNSET 719 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$