514 CDUS46 KMTR 200842 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 141 AM PDT THU AUG 20 2015 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR AUGUST 19 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 77 307 PM 84 2013 80 -3 73 MINIMUM 55 110 AM 48 1999 52 3 57 AVERAGE 66 66 0 65 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE 0.01 0.07 SINCE OCT 1 16.43 9.70 SINCE JAN 1 4.04 8.34 DEGREE DAYS HEATING YESTERDAY 0 0 MONTH TO DATE 0 12 SINCE JUN 1 54 65 SINCE JUL 1 6 22 COOLING YESTERDAY 1 0 MONTH TO DATE 73 11 SINCE JUN 1 216 128 SINCE JAN 1 217 139 .................................................................. WIND (MPH) RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION W (250) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 12.4 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 93 100 AM LOWEST 54 200 PM AVERAGE 74 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 80 87 2007 MINIMUM TEMPERATURE (F) 52 46 2000 SUNRISE AND SUNSET AUGUST 20 2015........SUNRISE 628 AM PDT SUNSET 756 PM PDT AUGUST 21 2015........SUNRISE 629 AM PDT SUNSET 755 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$