480 CDUS46 KMTR 200848 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 148 AM PDT TUE SEP 20 2016 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 19 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 91 1238 PM 97 2002 80 11 90 MINIMUM 55 603 AM 41 2008 49 6 47 AVERAGE 73 64 9 69 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE 0.00 0.06 SINCE OCT 1 18.86 16.49 SINCE JAN 1 14.67 4.10 DEGREE DAYS HEATING YESTERDAY 0 0 MONTH TO DATE 26 20 SINCE SEP 1 26 20 SINCE JUL 1 83 26 COOLING YESTERDAY 8 4 MONTH TO DATE 28 56 SINCE SEP 1 28 56 SINCE JAN 1 147 319 .................................................................. WIND (MPH) RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (200) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 5.0 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 86 400 AM LOWEST 31 300 PM AVERAGE 59 .......................................................... 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 2016.....SUNRISE 656 AM PDT SUNSET 708 PM PDT SEPTEMBER 21 2016.....SUNRISE 657 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. $$