563 CDUS46 KMTR 050831 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 131 AM PDT SAT SEP 5 2015 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 4 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 77 305 PM 100 2004 81 -4 76 MINIMUM 44 559 AM 43 2000 51 -7 56 AVERAGE 61 66 -5 66 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 4 0 MONTH TO DATE 4 0 SINCE SEP 1 4 0 SINCE JUL 1 10 22 COOLING YESTERDAY 0 1 MONTH TO DATE 4 11 SINCE SEP 1 4 11 SINCE JAN 1 267 184 .................................................................. WIND (MPH) RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (230) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 9.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 300 AM LOWEST 33 400 PM AVERAGE 67 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 81 99 2008 MINIMUM TEMPERATURE (F) 51 44 2010 2005 SUNRISE AND SUNSET SEPTEMBER 5 2015.....SUNRISE 642 AM PDT SUNSET 733 PM PDT SEPTEMBER 6 2015.....SUNRISE 643 AM PDT SUNSET 731 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$