831 CDUS46 KMTR 240843 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 143 AM PDT THU SEP 24 2020 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 23 2020... CLIMATE NORMAL PERIOD: 1981 TO 2010 CLIMATE RECORD PERIOD: 1998 TO 2020 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 86 2:21 PM 94 2002 79 7 86 MINIMUM 51 4:15 AM 39 2005 48 3 50 AVERAGE 69 63 6 68 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE T 0.01 SINCE OCT 1 9.50 25.86 SINCE JAN 1 3.76 22.66 DEGREE DAYS HEATING YESTERDAY 0 0 MONTH TO DATE 11 10 SINCE SEP 1 11 10 SINCE JUL 1 23 25 COOLING YESTERDAY 4 3 MONTH TO DATE 115 49 SINCE SEP 1 115 49 SINCE JAN 1 453 307 ................................................................... WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (250) HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 9.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 86 4:00 AM LOWEST 36 2:00 PM AVERAGE 61 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 79 96 2019 MINIMUM TEMPERATURE (F) 48 40 2005 2017 SUNRISE AND SUNSET SEPTEMBER 24 2020.....SUNRISE 6:59 AM PDT SUNSET 7:02 PM PDT SEPTEMBER 25 2020.....SUNRISE 7:00 AM PDT SUNSET 7:00 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$