024 CDUS46 KMTR 120826 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 126 AM PDT WED SEP 12 2018 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 11 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 81 248 PM 98 2017 80 1 98 MINIMUM 46 519 AM 40 2005 50 -4 62 AVERAGE 64 65 -1 80 PRECIPITATION (IN) YESTERDAY 0.00 0.02 MONTH TO DATE T 0.02 SINCE OCT 1 15.80 37.13 SINCE JAN 1 12.77 28.18 DEGREE DAYS HEATING YESTERDAY 1 0 MONTH TO DATE 12 0 SINCE SEP 1 12 0 SINCE JUL 1 53 10 COOLING YESTERDAY 0 15 MONTH TO DATE 0 104 SINCE SEP 1 0 104 SINCE JAN 1 152 486 .................................................................. WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (210) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION S (170) AVERAGE WIND SPEED 7.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 700 AM LOWEST 33 300 PM AVERAGE 67 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 80 99 2003 MINIMUM TEMPERATURE (F) 50 40 2005 SUNRISE AND SUNSET SEPTEMBER 12 2018.....SUNRISE 648 AM PDT SUNSET 722 PM PDT SEPTEMBER 13 2018.....SUNRISE 649 AM PDT SUNSET 720 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$