982 CDUS46 KMTR 170826 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 126 AM PDT SUN MAY 17 2015 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR MAY 16 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 66 243 PM 95 2009 72 -6 76 MINIMUM 45 328 AM 37 1999 46 -1 44 AVERAGE 56 59 -3 60 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 9 5 MONTH TO DATE 134 79 SINCE MAR 1 723 633 SINCE JUL 1 2451 2840 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 (220) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 9.4 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 93 200 AM LOWEST 56 1200 PM AVERAGE 75 .......................................................... 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 2015...........SUNRISE 557 AM PDT SUNSET 815 PM PDT MAY 18 2015...........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. $$