815 CDUS46 KMTR 190836 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 136 AM PDT SAT MAY 19 2018 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR MAY 18 2018... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1998 TO 2018 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 68 447 PM 83 2017 73 -5 83 MINIMUM 47 433 AM 39 2013 46 1 42 AVERAGE 58 59 -1 63 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE 0.00 T SINCE OCT 1 15.79 36.85 SINCE JAN 1 12.76 27.90 DEGREE DAYS HEATING YESTERDAY 7 2 MONTH TO DATE 93 77 SINCE MAR 1 795 556 SINCE JUL 1 2815 2439 COOLING YESTERDAY 0 0 MONTH TO DATE 2 21 SINCE MAR 1 2 23 SINCE JAN 1 2 23 .................................................................. WIND (MPH) RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (230) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (190) AVERAGE WIND SPEED 9.5 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 93 500 AM LOWEST 63 100 PM AVERAGE 78 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 88 2017 MINIMUM TEMPERATURE (F) 46 40 2011 2003 SUNRISE AND SUNSET MAY 19 2018...........SUNRISE 555 AM PDT SUNSET 817 PM PDT MAY 20 2018...........SUNRISE 554 AM PDT SUNSET 818 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$