271 CDUS46 KMTR 080828 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1227 AM PST MON JAN 8 2018 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR JANUARY 7 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 52 317 PM 69 2012 54 -2 60 MINIMUM 34 722 AM 25 1999 37 -3 44 AVERAGE 43 46 -3 52 PRECIPITATION (IN) YESTERDAY 0.00 0.63 MONTH TO DATE 0.35 2.41 SINCE OCT 1 3.38 11.36 SINCE JAN 1 0.35 2.41 DEGREE DAYS HEATING YESTERDAY 22 13 MONTH TO DATE 95 126 SINCE DEC 1 643 671 SINCE JUL 1 1171 1175 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 0 0 .................................................................. WIND (MPH) RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NE (40) HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (100) HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION E (100) AVERAGE WIND SPEED 3.1 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 1200 AM LOWEST 83 200 PM AVERAGE 92 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 54 65 2012 MINIMUM TEMPERATURE (F) 37 28 2007 SUNRISE AND SUNSET JANUARY 8 2018.......SUNRISE 726 AM PST SUNSET 506 PM PST JANUARY 9 2018.......SUNRISE 726 AM PST SUNSET 507 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$