628 CDUS46 KMTR 170934 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 234 AM PDT FRI MAY 17 2013 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR MAY 16 2013... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1998 TO 2013 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 75 1257 PM 95 2009 72 3 68 MINIMUM 51 1159 PM 37 1999 46 5 49 AVERAGE 63 59 4 59 PRECIPITATION (IN) YESTERDAY T 0.00 MONTH TO DATE 0.05 0.01 SINCE JUL 1 9.54 17.28 SINCE JAN 1 1.75 13.70 SNOWFALL (IN) YESTERDAY 0.0 MONTH TO DATE 0.0 SINCE MAR 1 0.0 SINCE JUL 1 0.0 DEGREE DAYS HEATING YESTERDAY 2 6 MONTH TO DATE 38 83 SINCE MAR 1 577 766 SINCE JUL 1 2782 3030 COOLING YESTERDAY 0 0 MONTH TO DATE 9 6 SINCE MAR 1 12 13 SINCE JAN 1 12 13 .................................................................. WIND (MPH) RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION W (260) HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 15.1 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 89 1100 PM LOWEST 38 100 PM AVERAGE 64 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 95 2009 MINIMUM TEMPERATURE (F) 46 41 1999 SUNRISE AND SUNSET MAY 17 2013...........SUNRISE 556 AM PDT SUNSET 815 PM PDT MAY 18 2013...........SUNRISE 556 AM PDT SUNSET 816 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$