894 CDUS46 KMTR 161221 CCA CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 128 AM PDT WED MAY 16 2018 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR MAY 15 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 68 251 PM 101 2008 72 -4 73 MINIMUM 53 1159 PM 34 1999 45 8 40 AVERAGE 61 59 2 57 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 4 8 MONTH TO DATE 69 63 SINCE MAR 1 771 542 SINCE JUL 1 2791 2425 COOLING YESTERDAY 0 0 MONTH TO DATE 2 21 SINCE MAR 1 2 23 SINCE JAN 1 2 23 .................................................................. WIND (MPH) RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION W (260) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 12.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 89 1100 PM LOWEST 52 300 PM AVERAGE 71 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 72 95 2009 MINIMUM TEMPERATURE (F) 46 37 1999 SUNRISE AND SUNSET MAY 16 2018...........SUNRISE 557 AM PDT SUNSET 814 PM PDT MAY 17 2018...........SUNRISE 556 AM PDT SUNSET 815 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$