640 CDUS46 KMTR 210828 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1227 AM PST MON JAN 21 2013 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR JANUARY 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 65 247 PM 70 2009 55 10 57 MINIMUM 30 637 AM 25 2007 37 -7 46 AVERAGE 48 46 2 52 PRECIPITATION (IN) YESTERDAY 0.00 1.92 MONTH TO DATE 0.17 2.18 SINCE JUL 1 7.96 5.76 SINCE JAN 1 0.17 2.18 SNOWFALL (IN) YESTERDAY 0.0 MONTH TO DATE 0.0 SINCE DEC 1 0.0 SINCE JUL 1 0.0 DEGREE DAYS HEATING YESTERDAY 17 13 MONTH TO DATE 444 383 SINCE DEC 1 984 981 SINCE JUL 1 1556 1651 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 0 0 .................................................................. WIND (MPH) RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION E (70) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (100) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (90) AVERAGE WIND SPEED 4.7 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 89 200 AM LOWEST 28 300 PM AVERAGE 59 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 55 68 2007 MINIMUM TEMPERATURE (F) 37 26 2008 SUNRISE AND SUNSET JANUARY 21 2013.......SUNRISE 722 AM PST SUNSET 520 PM PST JANUARY 22 2013.......SUNRISE 721 AM PST SUNSET 521 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$