538 CDUS46 KMTR 260829 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1229 AM PST MON DEC 26 2016 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 25 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 52 1251 PM 65 2013 55 -3 52 MINIMUM 28 436 AM 24 1998 36 -8 27 AVERAGE 40 45 -5 40 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE 4.20 2.76 SINCE OCT 1 8.95 4.17 SINCE JAN 1 23.62 8.27 DEGREE DAYS HEATING YESTERDAY 25 25 MONTH TO DATE 429 423 SINCE DEC 1 429 423 SINCE JUL 1 933 964 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 186 378 .................................................................. WIND (MPH) RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NE (60) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (90) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (90) AVERAGE WIND SPEED 8.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 92 100 AM LOWEST 50 100 PM AVERAGE 71 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 54 67 2013 MINIMUM TEMPERATURE (F) 36 24 2011 SUNRISE AND SUNSET DECEMBER 26 2016......SUNRISE 724 AM PST SUNSET 456 PM PST DECEMBER 27 2016......SUNRISE 725 AM PST SUNSET 456 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$