428 CDUS46 KMTR 040830 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 130 AM PDT FRI AUG 4 2017 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR AUGUST 3 2017... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1998 TO 2017 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 86 1044 AM 101 1998 78 8 77 MINIMUM 61 337 AM 50 2007 52 9 52 AVERAGE 74 65 9 65 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE 0.00 0.00 SINCE OCT 1 37.11 18.86 SINCE JAN 1 28.16 14.67 DEGREE DAYS HEATING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE JUN 1 25 63 SINCE JUL 1 8 37 COOLING YESTERDAY 9 0 MONTH TO DATE 22 0 SINCE JUN 1 256 85 SINCE JAN 1 290 96 .................................................................. WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION S (200) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (190) AVERAGE WIND SPEED 9.3 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 87 600 AM LOWEST 37 1100 AM AVERAGE 62 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 78 95 1998 MINIMUM TEMPERATURE (F) 52 46 2007 SUNRISE AND SUNSET AUGUST 4 2017........SUNRISE 615 AM PDT SUNSET 815 PM PDT AUGUST 5 2017........SUNRISE 615 AM PDT SUNSET 814 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$