077 CDUS46 KMTR 210852 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 152 AM PDT MON SEP 21 2015 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 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 95 251 PM 97 2011 79 16 77 MINIMUM 50 506 AM 38 2004 49 1 58 AVERAGE 73 64 9 68 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE 0.06 0.04 SINCE OCT 1 16.49 9.74 SINCE JAN 1 4.10 8.38 DEGREE DAYS HEATING YESTERDAY 0 0 MONTH TO DATE 20 6 SINCE SEP 1 20 6 SINCE JUL 1 26 28 COOLING YESTERDAY 8 3 MONTH TO DATE 64 48 SINCE SEP 1 64 48 SINCE JAN 1 327 221 .................................................................. WIND (MPH) RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (200) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (90) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (80) AVERAGE WIND SPEED 3.7 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 89 600 AM LOWEST 18 1200 PM AVERAGE 54 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 79 102 2003 MINIMUM TEMPERATURE (F) 48 41 2012 SUNRISE AND SUNSET SEPTEMBER 21 2015.....SUNRISE 656 AM PDT SUNSET 708 PM PDT SEPTEMBER 22 2015.....SUNRISE 657 AM PDT SUNSET 706 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$