434 CDUS46 KMTR 170837 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 137 AM PDT WED JUL 17 2019 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR JULY 16 2019... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1998 TO 2019 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 89 243 PM 103 2017 78 11 78 MINIMUM 59 1159 PM 48 2009 53 6 52 AVERAGE 74 65 9 65 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE T 0.00 SINCE OCT 1 25.85 15.80 SINCE JAN 1 22.65 12.77 DEGREE DAYS HEATING YESTERDAY 0 0 MONTH TO DATE 6 9 SINCE JUN 1 45 67 SINCE JUL 1 6 9 COOLING YESTERDAY 9 0 MONTH TO DATE 32 45 SINCE JUN 1 100 78 SINCE JAN 1 106 83 .................................................................. WIND (MPH) RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION SW (220) HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 11.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 500 AM LOWEST 28 300 PM AVERAGE 61 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 78 99 2003 MINIMUM TEMPERATURE (F) 53 47 2009 SUNRISE AND SUNSET JULY 17 2019..........SUNRISE 559 AM PDT SUNSET 831 PM PDT JULY 18 2019..........SUNRISE 600 AM PDT SUNSET 830 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$