663 CDUS46 KMTR 310833 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 133 AM PDT FRI AUG 31 2018 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR AUGUST 30 2018... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1998 TO 2018 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 74 453 PM 95 2007 81 -7 79 MINIMUM 56 1159 PM 44 2010 52 4 51 AVERAGE 65 66 -1 65 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE 0.00 T SINCE OCT 1 15.80 37.11 SINCE JAN 1 12.77 28.16 DEGREE DAYS HEATING YESTERDAY 0 0 MONTH TO DATE 24 2 SINCE JUN 1 99 27 SINCE JUL 1 41 10 COOLING YESTERDAY 0 0 MONTH TO DATE 41 106 SINCE JUN 1 147 340 SINCE JAN 1 152 374 .................................................................. WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (230) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 7.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 1200 AM LOWEST 46 100 PM AVERAGE 70 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 81 97 2017 MINIMUM TEMPERATURE (F) 52 42 2008 SUNRISE AND SUNSET AUGUST 31 2018........SUNRISE 638 AM PDT SUNSET 740 PM PDT SEPTEMBER 1 2018.....SUNRISE 639 AM PDT SUNSET 739 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$