773 CDUS46 KMTR 210827 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 127 AM PDT SAT SEP 21 2013 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 2013... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1998 TO 2013 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 80 110 PM 97 2011 79 1 74 MINIMUM 42 521 AM 38 2004 49 -7 43 AVERAGE 61 64 -3 59 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE 0.00 0.00 SINCE JUL 1 0.00 T SINCE JAN 1 1.97 13.77 SNOWFALL (IN) YESTERDAY 0.0 MONTH TO DATE 0.0 SINCE SEP 1 0.0 SINCE JUL 1 0.0 DEGREE DAYS HEATING YESTERDAY 4 6 MONTH TO DATE 5 54 SINCE SEP 1 5 54 SINCE JUL 1 41 109 COOLING YESTERDAY 0 0 MONTH TO DATE 60 10 SINCE SEP 1 60 10 SINCE JAN 1 297 163 .................................................................. WIND (MPH) RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION SW (230) HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (260) HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 10.9 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 100 400 AM LOWEST 45 1200 PM AVERAGE 73 .......................................................... 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 2013.....SUNRISE 656 AM PDT SUNSET 707 PM PDT SEPTEMBER 22 2013.....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. $$