703 CDUS46 KMTR 180835 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 135 AM PDT FRI SEP 18 2015 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 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 75 248 PM 94 2000 80 -5 82 MINIMUM 52 1159 PM 42 2006 49 3 56 AVERAGE 64 64 0 69 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE 0.06 0.00 SINCE OCT 1 16.49 9.70 SINCE JAN 1 4.10 8.34 DEGREE DAYS HEATING YESTERDAY 1 0 MONTH TO DATE 19 6 SINCE SEP 1 19 6 SINCE JUL 1 25 28 COOLING YESTERDAY 0 4 MONTH TO DATE 52 41 SINCE SEP 1 52 41 SINCE JAN 1 315 214 .................................................................. WIND (MPH) RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (200) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (220) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (220) AVERAGE WIND SPEED 5.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 100 AM LOWEST 53 200 PM AVERAGE 77 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 80 97 2000 MINIMUM TEMPERATURE (F) 49 38 2008 SUNRISE AND SUNSET SEPTEMBER 18 2015.....SUNRISE 653 AM PDT SUNSET 713 PM PDT SEPTEMBER 19 2015.....SUNRISE 654 AM PDT SUNSET 711 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$