192 CDUS46 KMTR 180845 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 145 AM PDT SAT MAY 18 2013 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR MAY 17 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 73 1206 PM 95 2009 73 0 72 MINIMUM 45 522 AM 41 1999 46 -1 50 AVERAGE 59 59 0 61 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 6 4 MONTH TO DATE 44 87 SINCE MAR 1 583 770 SINCE JUL 1 2788 3034 COOLING YESTERDAY 0 0 MONTH TO DATE 9 6 SINCE MAR 1 12 13 SINCE JAN 1 12 13 .................................................................. WIND (MPH) RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION W (250) HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (250) HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 10.4 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 93 500 AM LOWEST 34 100 PM AVERAGE 64 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 81 2001 MINIMUM TEMPERATURE (F) 46 40 2007 SUNRISE AND SUNSET MAY 18 2013...........SUNRISE 556 AM PDT SUNSET 816 PM PDT MAY 19 2013...........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. $$