Climatological Report (Monthly)
Issued by NWS
Issued by NWS
000 CXUS56 KMTR 010829 CLMAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 129 AM PDT THU JUN 01 2023 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 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 101 MM LOW 32 05/10/2022 HIGHEST 86 05/13 93 05/24 LOWEST 41 05/07 32 05/10 05/11 AVG. MAXIMUM 68.8 77.2 AVG. MINIMUM 50.2 45.3 MEAN 59.5 61.3 DAYS MAX >= 90 0 2 DAYS MAX <= 32 0 0 DAYS MIN <= 32 0 2 DAYS MIN <= 0 0 0 PRECIPITATION (INCHES) TOTALS 0.70 0.80 -0.10 0.00 DAILY AVG. 0.02 0.00 DAYS >= .01 6 0 DAYS >= .10 3 0 DAYS >= .50 0 0 DAYS >= 1.00 0 0 GREATEST 24 HR. TOTAL 0.35 05/01 TO 05/02 0.00 04/30 TO 04/30 DEGREE DAYS HEATING TOTAL 162 135 SINCE 7/1 2876 MM COOLING TOTAL 6 26 SINCE 1/1 9 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 9.6 RESULTANT WIND SPEED/DIRECTION 7/230 HIGHEST WIND SPEED/DIRECTION 26/200 DATE 05/23 HIGHEST GUST SPEED/DIRECTION 32/200 DATE 05/14 32/200 05/23 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.50 NUMBER OF DAYS FAIR 9 NUMBER OF DAYS PC 17 NUMBER OF DAYS CLOUDY 5 AVERAGE RH (PERCENT) 73 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 4 LIGHT RAIN 6 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 13 FOG W/VIS <= 1/4 MILE 3 HAZE 6 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$