160 CDUS46 KMTR 200830 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 130 AM PDT THU SEP 20 2018 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 19 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 83 301 PM 97 2002 80 3 79 MINIMUM 45 605 AM 41 2008 49 -4 45 AVERAGE 64 64 0 62 PRECIPITATION (IN) YESTERDAY 0.00 0.00 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 3 MONTH TO DATE 36 13 SINCE SEP 1 36 13 SINCE JUL 1 77 23 COOLING YESTERDAY 0 0 MONTH TO DATE 0 117 SINCE SEP 1 0 117 SINCE JAN 1 152 499 .................................................................. WIND (MPH) RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (200) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 3.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 96 700 AM LOWEST 31 300 PM AVERAGE 64 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 79 97 2011 MINIMUM TEMPERATURE (F) 49 38 2004 SUNRISE AND SUNSET SEPTEMBER 20 2018.....SUNRISE 655 AM PDT SUNSET 709 PM PDT SEPTEMBER 21 2018.....SUNRISE 656 AM PDT SUNSET 707 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$