111 CDUS46 KMTR 280842 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1242 AM PST MON DEC 28 2015 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 27 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 49 149 PM 67 1999 54 -5 54 MINIMUM 25R 420 AM 27 2007 36 -11 29 AVERAGE 37 45 -8 42 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE 2.76 10.14 SINCE OCT 1 4.17 12.39 SINCE JAN 1 8.27 21.04 DEGREE DAYS HEATING YESTERDAY 28 23 MONTH TO DATE 473 320 SINCE DEC 1 473 320 SINCE JUL 1 1014 793 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 378 267 .................................................................. WIND (MPH) RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NE (60) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (100) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (100) 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 92 500 AM LOWEST 56 200 PM AVERAGE 74 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 54 64 1999 MINIMUM TEMPERATURE (F) 36 24 2013 SUNRISE AND SUNSET DECEMBER 28 2015......SUNRISE 725 AM PST SUNSET 457 PM PST DECEMBER 29 2015......SUNRISE 725 AM PST SUNSET 457 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$