Climatological Report (Monthly)
Issued by NWS
Issued by NWS
000 CXUS56 KMTR 010845 CLMAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 145 AM PDT MON MAY 01 2023 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 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 91 MM LOW 30 04/12/2022 HIGHEST 85 04/27 88 04/07 LOWEST 33 04/04 30 04/12 AVG. MAXIMUM 68.5 69.7 AVG. MINIMUM 43.8 40.5 MEAN 56.2 55.1 DAYS MAX >= 90 0 0 DAYS MAX <= 32 0 0 DAYS MIN <= 32 0 2 DAYS MIN <= 0 0 0 PRECIPITATION (INCHES) TOTALS 0.14 1.26 -1.12 1.19 DAILY AVG. 0.00 0.04 DAYS >= .01 2 7 DAYS >= .10 0 4 DAYS >= .50 0 0 DAYS >= 1.00 0 0 GREATEST 24 HR. TOTAL 0.09 04/17 TO 04/17 0.46 04/16 TO 04/16 DEGREE DAYS HEATING TOTAL 256 291 SINCE 7/1 2714 MM COOLING TOTAL 3 2 SINCE 1/1 3 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 7.6 RESULTANT WIND SPEED/DIRECTION 6/250 HIGHEST WIND SPEED/DIRECTION 29/270 DATE 04/03 HIGHEST GUST SPEED/DIRECTION 36/270 DATE 04/03 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.17 NUMBER OF DAYS FAIR 22 NUMBER OF DAYS PC 6 NUMBER OF DAYS CLOUDY 1 AVERAGE RH (PERCENT) 67 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 1 RAIN 1 LIGHT RAIN 3 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 0 HAZE 4 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$