924 CDUS46 KMTR 220839 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1239 AM PST TUE DEC 22 2015 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 21 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 58 603 PM 71 1999 55 3 65 MINIMUM 47 309 AM 21 1998 36 11 52 AVERAGE 53 45 8 59 PRECIPITATION (IN) YESTERDAY 0.75 0.00 MONTH TO DATE 2.61 10.14 SINCE OCT 1 4.02 12.39 SINCE JAN 1 8.12 21.04 DEGREE DAYS HEATING YESTERDAY 12 6 MONTH TO DATE 347 222 SINCE DEC 1 347 222 SINCE JUL 1 888 695 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 378 267 .................................................................. WIND (MPH) RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION S (190) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 10.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 1200 AM LOWEST 93 100 AM AVERAGE 97 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 55 68 1999 MINIMUM TEMPERATURE (F) 36 19 1998 SUNRISE AND SUNSET DECEMBER 22 2015......SUNRISE 723 AM PST SUNSET 453 PM PST DECEMBER 23 2015......SUNRISE 723 AM PST SUNSET 453 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$