256 CDUS46 KMTR 190829 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 129 AM PDT SAT SEP 19 2015 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 18 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 81 229 PM 97 2000 80 1 78 MINIMUM 46 553 AM 38 2008 49 -3 59 AVERAGE 64 64 0 69 PRECIPITATION (IN) YESTERDAY 0.00 0.04 MONTH TO DATE 0.06 0.04 SINCE OCT 1 16.49 9.74 SINCE JAN 1 4.10 8.38 DEGREE DAYS HEATING YESTERDAY 1 0 MONTH TO DATE 20 6 SINCE SEP 1 20 6 SINCE JUL 1 26 28 COOLING YESTERDAY 0 4 MONTH TO DATE 52 45 SINCE SEP 1 52 45 SINCE JAN 1 315 218 .................................................................. WIND (MPH) RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (200) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 5.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 300 AM LOWEST 39 200 PM AVERAGE 70 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 80 97 2002 MINIMUM TEMPERATURE (F) 49 41 2008 SUNRISE AND SUNSET SEPTEMBER 19 2015.....SUNRISE 654 AM PDT SUNSET 711 PM PDT SEPTEMBER 20 2015.....SUNRISE 655 AM PDT SUNSET 709 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$