Climatological Report (Monthly)
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000
CXUS56 KMTR 010843
CLMAPC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
143 AM PDT FRI SEP 01 2023

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR THE MONTH OF AUGUST 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            106   MM
 LOW              45   08/02/2013
                       08/27/2012
                       01/04/2000
HIGHEST           96   08/30                          97  08/16
LOWEST            49   08/28                          50  08/13
AVG. MAXIMUM    81.6                                82.1
AVG. MINIMUM    58.3                                56.5
MEAN            69.9                                69.3
DAYS MAX >= 90     4                                   2
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     0                                   0
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
TOTALS          0.00R              0.02   -0.02     0.01
DAILY AVG.      0.00                                0.00
DAYS >= .01        0                                   1
DAYS >= .10        0                                   0
DAYS >= .50        0                                   0
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL      T   08/01 TO 08/01               0.01  08/01 TO 08/01
                       08/07 TO 08/07
                       08/31 TO 08/31


DEGREE DAYS
HEATING TOTAL      1                                   0
 SINCE 7/1         8                                  MM
COOLING TOTAL    162                                 140
 SINCE 1/1       273                                  MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.7
RESULTANT WIND SPEED/DIRECTION   7/210
HIGHEST WIND SPEED/DIRECTION    MM        DATE   MM
HIGHEST GUST SPEED/DIRECTION    MM        DATE   MM

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.24
NUMBER OF DAYS FAIR           20
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                2     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      2
HAZE                      6

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

$$


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