603 CDUS46 KMTR 201245 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 445 AM PST SAT JAN 20 2018 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR JANUARY 19 2018... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1998 TO 2018 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 56 242 PM 70 2014 55 1 58 MINIMUM 35 756 AM 24 2007 37 -2 47 AVERAGE 46 46 0 53 PRECIPITATION (IN) YESTERDAY 0.00 0.46 MONTH TO DATE 2.70 9.63 SINCE OCT 1 5.73 18.58 SINCE JAN 1 2.70 9.63 DEGREE DAYS HEATING YESTERDAY 19 12 MONTH TO DATE 266 312 SINCE DEC 1 814 857 SINCE JUL 1 1342 1361 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 0 0 .................................................................. WIND (MPH) RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (280) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 5.0 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 500 AM LOWEST 55 200 PM AVERAGE 78 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 55 71 2014 MINIMUM TEMPERATURE (F) 37 25 2007 SUNRISE AND SUNSET JANUARY 20 2018.......SUNRISE 722 AM PST SUNSET 519 PM PST JANUARY 21 2018.......SUNRISE 722 AM PST SUNSET 520 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$