743 CDUS46 KMTR 210831 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 131 AM PDT TUE MAY 21 2013 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR MAY 20 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 91R MM 89 2001 73 18 80 MINIMUM 51 MM 39 2010 46 5 47 AVERAGE 71 60 11 64 PRECIPITATION (IN) YESTERDAY 0.00 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 0 1 MONTH TO DATE 50 101 SINCE MAR 1 589 784 SINCE JUL 1 2794 3048 COOLING YESTERDAY 6 0 MONTH TO DATE 15 6 SINCE MAR 1 18 13 SINCE JAN 1 18 13 .................................................................. WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (210) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (210) HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM AVERAGE WIND SPEED 8.5 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 89 1200 AM LOWEST 17 100 PM AVERAGE 53 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 96 2000 MINIMUM TEMPERATURE (F) 46 39 2008 SUNRISE AND SUNSET MAY 21 2013...........SUNRISE 553 AM PDT SUNSET 819 PM PDT MAY 22 2013...........SUNRISE 553 AM PDT SUNSET 819 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$