059 CDUS46 KMTR 010837 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1237 AM PST SUN JAN 1 2017 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 31 2016... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1998 TO 2016 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 54 125 PM 62 2011 54 0 51 MINIMUM 35 548 AM 24 2015 36 -1 24 AVERAGE 45 45 0 38 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE 4.20 2.78 SINCE OCT 1 8.95 4.19 SINCE JAN 1 23.62 8.29 DEGREE DAYS HEATING YESTERDAY 20 27 MONTH TO DATE 545 578 SINCE DEC 1 545 578 SINCE JUL 1 1049 1119 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 186 378 .................................................................. WIND (MPH) RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION SW (240) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (10) HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION N (10) AVERAGE WIND SPEED 6.2 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 89 600 AM LOWEST 54 200 PM AVERAGE 72 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 54 63 2014 MINIMUM TEMPERATURE (F) 36 25 2016 2014 SUNRISE AND SUNSET JANUARY 1 2017.......SUNRISE 726 AM PST SUNSET 500 PM PST JANUARY 2 2017.......SUNRISE 726 AM PST SUNSET 501 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$