815
CXUS56 KMTR 111734
CLMAPC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1034 AM PDT SUN OCT 11 2026

...................................

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            106   MM
 LOW              45   08/02/2013
                       08/27/2012
                       01/04/2000
HIGHEST           86   08/02                          94  08/30
LOWEST            49   08/30                          48  08/19
AVG. MAXIMUM    76.7                                80.0
AVG. MINIMUM    54.5                                53.8
MEAN            65.6                                66.9
DAYS MAX >= 90     0                                   3
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     0                                   0
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
TOTALS             T               0.02   -0.02     0.00
DAILY AVG.         T                                0.00
DAYS >= .01        0                                   0
DAYS >= .10        0                                   0
DAYS >= .50        0                                   0
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL      T   08/28 TO 08/28               0.00  07/31 TO 07/31


DEGREE DAYS
HEATING TOTAL     13                                   7
 SINCE 7/1        36                                  MM
COOLING TOTAL     41                                  74
 SINCE 1/1       174                                  MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.1
RESULTANT WIND SPEED/DIRECTION   7/220
HIGHEST WIND SPEED/DIRECTION    25/200    DATE  08/13
HIGHEST GUST SPEED/DIRECTION    32/210    DATE  08/13

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.29
NUMBER OF DAYS FAIR           22
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                1     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      1
HAZE                      3

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$