Climatological Report (Monthly)
Issued by NWS
Issued by NWS
259
CXUS56 KMTR 010841
CLMAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1241 AM PST MON DEC 01 2025
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 85 MM
LOW 23 11/29/2015
HIGHEST 80 11/09 76 11/05
11/10
LOWEST 37 11/22 29 11/28
11/26
AVG. MAXIMUM 63.5 63.8
AVG. MINIMUM 46.2 39.8
MEAN 54.8 51.8
DAYS MAX >= 90 0 0
DAYS MAX <= 32 0 0
DAYS MIN <= 32 0 4
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
TOTALS 2.15 1.97 0.18 4.25
DAILY AVG. 0.07 0.14
DAYS >= .01 8 11
DAYS >= .10 4 7
DAYS >= .50 2 2
DAYS >= 1.00 0 2
GREATEST
24 HR. TOTAL 0.87 11/16 TO 11/17 1.75 11/22 TO 11/23
DEGREE DAYS
HEATING TOTAL 299 388
SINCE 7/1 475 MM
COOLING TOTAL 0 0
SINCE 1/1 211 MM
................................................................
WIND (MPH)
AVERAGE WIND SPEED 5.9
RESULTANT WIND SPEED/DIRECTION 2/130
HIGHEST WIND SPEED/DIRECTION 22/220 DATE 11/05
HIGHEST GUST SPEED/DIRECTION 30/170 DATE 11/05
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.52
NUMBER OF DAYS FAIR 9
NUMBER OF DAYS PC 12
NUMBER OF DAYS CLOUDY 9
AVERAGE RH (PERCENT) 82
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 3 RAIN 4
LIGHT RAIN 7 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 25 FOG W/VIS <= 1/4 MILE 12
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$