079 CDUS46 KMTR 280836 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1236 AM PST WED DEC 28 2016 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 27 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 57 303 PM 67 1999 54 3 49 MINIMUM 30 635 AM 25 2015 36 -6 25 AVERAGE 44 45 -1 37 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 21 28 MONTH TO DATE 471 473 SINCE DEC 1 471 473 SINCE JUL 1 975 1014 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 186 378 .................................................................. WIND (MPH) RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION N (0) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (350) HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION N (350) AVERAGE WIND SPEED 2.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 85 600 AM LOWEST 38 300 PM AVERAGE 62 .......................................................... 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 2016......SUNRISE 725 AM PST SUNSET 457 PM PST DECEMBER 29 2016......SUNRISE 725 AM PST SUNSET 458 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$