485 CDUS46 KMTR 210836 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 136 AM PDT SUN SEP 21 2014 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 2014... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1998 TO 2014 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 77 313 PM 97 2011 79 -2 80 MINIMUM 58 147 AM 38 2004 49 9 42 AVERAGE 68 64 4 61 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE 0.04 0.00 SINCE JUL 1 0.11 0.00 SINCE JAN 1 8.38 1.97 DEGREE DAYS HEATING YESTERDAY 0 4 MONTH TO DATE 6 5 SINCE SEP 1 6 5 SINCE JUL 1 28 41 COOLING YESTERDAY 3 0 MONTH TO DATE 48 60 SINCE SEP 1 48 60 SINCE JAN 1 221 297 .................................................................. WIND (MPH) RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (250) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (260) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (260) AVERAGE WIND SPEED 9.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 100 1200 AM LOWEST 60 300 PM AVERAGE 80 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 79 102 2003 MINIMUM TEMPERATURE (F) 48 41 2012 SUNRISE AND SUNSET SEPTEMBER 21 2014.....SUNRISE 656 AM PDT SUNSET 707 PM PDT SEPTEMBER 22 2014.....SUNRISE 657 AM PDT SUNSET 706 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$