549 CDUS46 KMTR 300830 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 129 AM PDT SUN SEP 30 2018 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 29 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 72 1207 PM 96 1999 78 -6 74 MINIMUM 49 206 AM 37 2007 46 3 46 AVERAGE 61 62 -1 60 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 4 5 MONTH TO DATE 70 36 SINCE SEP 1 70 36 SINCE JUL 1 111 46 COOLING YESTERDAY 0 0 MONTH TO DATE 1 132 SINCE SEP 1 1 132 SINCE JAN 1 153 514 .................................................................. WIND (MPH) RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (230) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (230) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (220) AVERAGE WIND SPEED 9.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 97 1100 PM LOWEST 57 1200 PM AVERAGE 77 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 78 98 2001 MINIMUM TEMPERATURE (F) 46 37 2009 SUNRISE AND SUNSET SEPTEMBER 30 2018.....SUNRISE 704 AM PDT SUNSET 653 PM PDT OCTOBER 1 2018.......SUNRISE 705 AM PDT SUNSET 652 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$