685
CXUS56 KMTR 010826
CLMAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
126 AM PDT THU MAY 01 2025
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 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 91 MM
LOW 30 04/12/2022
HIGHEST 77 04/09 78 04/10
04/13
LOWEST 35 04/02 33 04/06
AVG. MAXIMUM 68.1 67.9
AVG. MINIMUM 44.0 44.0
MEAN 56.0 56.0
DAYS MAX >= 90 0 0
DAYS MAX <= 32 0 0
DAYS MIN <= 32 0 0
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
TOTALS 0.23 1.26 -1.03 0.96
DAILY AVG. 0.01 0.03
DAYS >= .01 2 3
DAYS >= .10 1 3
DAYS >= .50 0 1
DAYS >= 1.00 0 0
GREATEST
24 HR. TOTAL 0.22 04/01 TO 04/01 0.51 04/04 TO 04/04
DEGREE DAYS
HEATING TOTAL 175 265
SINCE 7/1 2431 MM
COOLING TOTAL 0 0
SINCE 1/1 2 MM
............................................................
WIND (MPH)
AVERAGE WIND SPEED 7.6
RESULTANT WIND SPEED/DIRECTION 6/250
HIGHEST WIND SPEED/DIRECTION 31/260 DATE 04/01
HIGHEST GUST SPEED/DIRECTION 43/250 DATE 04/01
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.25
NUMBER OF DAYS FAIR 13
NUMBER OF DAYS PC 5
NUMBER OF DAYS CLOUDY 2
AVERAGE RH (PERCENT) 74
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 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 8 FOG W/VIS <= 1/4 MILE 1
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page