108 CDUS46 KMTR 180836 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 135 AM PDT MON MAY 18 2015 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR MAY 17 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 68 307 PM 95 2009 73 -5 75 MINIMUM 49 540 AM 41 1999 46 3 49 AVERAGE 59 59 0 62 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE T T SINCE OCT 1 16.26 9.63 SINCE JAN 1 3.87 8.27 DEGREE DAYS HEATING YESTERDAY 6 3 MONTH TO DATE 140 82 SINCE MAR 1 729 636 SINCE JUL 1 2457 2843 COOLING YESTERDAY 0 0 MONTH TO DATE 0 9 SINCE MAR 1 1 10 SINCE JAN 1 1 10 .................................................................. WIND (MPH) RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (240) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (250) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (250) AVERAGE WIND SPEED 9.0 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 89 1200 AM LOWEST 52 300 PM AVERAGE 71 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 81 2001 MINIMUM TEMPERATURE (F) 46 39 2013 SUNRISE AND SUNSET MAY 18 2015...........SUNRISE 556 AM PDT SUNSET 816 PM PDT MAY 19 2015...........SUNRISE 555 AM PDT SUNSET 817 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$