878 CDUS46 KMTR 180845 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1245 AM PST SUN JAN 18 2015 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR JANUARY 17 2015... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1998 TO 2015 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 58 216 PM 71 2014 55 3 71 MINIMUM 47 821 PM 19 2012 37 10 30 AVERAGE 53 46 7 51 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE T T SINCE JUL 1 12.77 2.20 SINCE JAN 1 T T DEGREE DAYS HEATING YESTERDAY 12 14 MONTH TO DATE 311 290 SINCE DEC 1 712 956 SINCE JUL 1 1185 1635 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 0 0 .................................................................. WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION E (100) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (100) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (90) AVERAGE WIND SPEED 7.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 500 AM LOWEST 77 200 PM AVERAGE 89 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 55 70 2014 2009 MINIMUM TEMPERATURE (F) 37 24 2001 SUNRISE AND SUNSET JANUARY 18 2015.......SUNRISE 723 AM PST SUNSET 516 PM PST JANUARY 19 2015.......SUNRISE 723 AM PST SUNSET 517 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$