Climatological Report (Monthly)
Issued by NWS
Issued by NWS
591
CXUS56 KMTR 011630
CLMAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
930 AM PDT TUE APR 01 2025
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...THE NAPA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MARCH 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
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TEMPERATURE (F)
RECORD
HIGH 87 MM
LOW 28 03/05/2018
HIGHEST 84 03/25 75 03/15
LOWEST 33 03/07 36 03/04
AVG. MAXIMUM 62.8 62.7
AVG. MINIMUM 41.1 42.8
MEAN 52.0 52.8
DAYS MAX >= 90 0 0
DAYS MAX <= 32 0 0
DAYS MIN <= 32 0 0
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
TOTALS 1.67 3.01 -1.34 2.56
DAILY AVG. 0.05 0.08
DAYS >= .01 8 13
DAYS >= .10 7 9
DAYS >= .50 1 0
DAYS >= 1.00 0 0
GREATEST
24 HR. TOTAL 0.58 03/14 TO 03/14 0.49 03/01 TO 03/02
DEGREE DAYS
HEATING TOTAL 401 371
SINCE 7/1 2256 MM
COOLING TOTAL 2 0
SINCE 1/1 2 MM
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WIND (MPH)
AVERAGE WIND SPEED 8.2
RESULTANT WIND SPEED/DIRECTION 5/230
HIGHEST WIND SPEED/DIRECTION 33/220 DATE 03/12
HIGHEST GUST SPEED/DIRECTION 44/180 DATE 03/12
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.38
NUMBER OF DAYS FAIR 17
NUMBER OF DAYS PC 8
NUMBER OF DAYS CLOUDY 6
AVERAGE RH (PERCENT) 74
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 4
LIGHT RAIN 8 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 15 FOG W/VIS <= 1/4 MILE 3
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$