578 CDUS46 KMTR 080826 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 126 AM PDT SAT SEP 8 2018 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 7 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 80 327 PM 99 2004 81 -1 74 MINIMUM 48 338 AM 39 2002 51 -3 59 AVERAGE 64 66 -2 67 PRECIPITATION (IN) YESTERDAY 0.00 T MONTH TO DATE T T SINCE OCT 1 15.80 37.11 SINCE JAN 1 12.77 28.16 DEGREE DAYS HEATING YESTERDAY 1 0 MONTH TO DATE 11 0 SINCE SEP 1 11 0 SINCE JUL 1 52 10 COOLING YESTERDAY 0 2 MONTH TO DATE 0 74 SINCE SEP 1 0 74 SINCE JAN 1 152 456 .................................................................. WIND (MPH) RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (200) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (170) AVERAGE WIND SPEED 5.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 400 AM LOWEST 48 200 PM AVERAGE 74 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 81 98 2004 MINIMUM TEMPERATURE (F) 51 43 2002 SUNRISE AND SUNSET SEPTEMBER 8 2018.....SUNRISE 645 AM PDT SUNSET 728 PM PDT SEPTEMBER 9 2018.....SUNRISE 646 AM PDT SUNSET 726 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$