621 CDUS46 KMTR 070826 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 125 AM PDT SAT SEP 7 2013 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 6 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 91 406 PM 98 2004 81 10 75 MINIMUM 48 543 AM 44 2003 51 -3 50 AVERAGE 70 66 4 63 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 0 2 MONTH TO DATE 0 13 SINCE SEP 1 0 13 SINCE JUL 1 36 68 COOLING YESTERDAY 5 0 MONTH TO DATE 26 5 SINCE SEP 1 26 5 SINCE JAN 1 263 158 .................................................................. WIND (MPH) RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (220) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 4.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 500 AM LOWEST 23 400 PM AVERAGE 58 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 81 99 2004 MINIMUM TEMPERATURE (F) 51 39 2002 SUNRISE AND SUNSET SEPTEMBER 7 2013.....SUNRISE 644 AM PDT SUNSET 729 PM PDT SEPTEMBER 8 2013.....SUNRISE 645 AM PDT SUNSET 728 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$