844 CDUS46 KMTR 060845 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 145 AM PDT THU SEP 6 2018 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 5 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 70 325 PM 99 2008 81 -11 87 MINIMUM 53 206 AM 44 2015 51 2 66 2010 2005 AVERAGE 62 66 -4 77 PRECIPITATION (IN) YESTERDAY T 0.00 MONTH TO DATE T 0.00 SINCE OCT 1 15.80 37.11 SINCE JAN 1 12.77 28.16 DEGREE DAYS HEATING YESTERDAY 3 0 MONTH TO DATE 9 0 SINCE SEP 1 9 0 SINCE JUL 1 50 10 COOLING YESTERDAY 0 12 MONTH TO DATE 0 67 SINCE SEP 1 0 67 SINCE JAN 1 152 449 .................................................................. WIND (MPH) RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (240) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 10.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 1200 AM LOWEST 63 100 PM AVERAGE 78 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 81 98 2004 MINIMUM TEMPERATURE (F) 51 42 2015 SUNRISE AND SUNSET SEPTEMBER 6 2018.....SUNRISE 643 AM PDT SUNSET 731 PM PDT SEPTEMBER 7 2018.....SUNRISE 644 AM PDT SUNSET 729 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$