Climatological Report (Monthly)
Issued by NWS
Issued by NWS
000 CXUS56 KMTR 010843 CLMAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 143 AM PDT FRI SEP 01 2023 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1998 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 106 MM LOW 45 08/02/2013 08/27/2012 01/04/2000 HIGHEST 96 08/30 97 08/16 LOWEST 49 08/28 50 08/13 AVG. MAXIMUM 81.6 82.1 AVG. MINIMUM 58.3 56.5 MEAN 69.9 69.3 DAYS MAX >= 90 4 2 DAYS MAX <= 32 0 0 DAYS MIN <= 32 0 0 DAYS MIN <= 0 0 0 PRECIPITATION (INCHES) TOTALS 0.00R 0.02 -0.02 0.01 DAILY AVG. 0.00 0.00 DAYS >= .01 0 1 DAYS >= .10 0 0 DAYS >= .50 0 0 DAYS >= 1.00 0 0 GREATEST 24 HR. TOTAL T 08/01 TO 08/01 0.01 08/01 TO 08/01 08/07 TO 08/07 08/31 TO 08/31 DEGREE DAYS HEATING TOTAL 1 0 SINCE 7/1 8 MM COOLING TOTAL 162 140 SINCE 1/1 273 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 8.7 RESULTANT WIND SPEED/DIRECTION 7/210 HIGHEST WIND SPEED/DIRECTION MM DATE MM HIGHEST GUST SPEED/DIRECTION MM DATE MM SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.24 NUMBER OF DAYS FAIR 20 NUMBER OF DAYS PC 11 NUMBER OF DAYS CLOUDY 0 AVERAGE RH (PERCENT) 67 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 0 LIGHT RAIN 2 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 6 FOG W/VIS <= 1/4 MILE 2 HAZE 6 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$