Climatological Report (Monthly)
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000
CXUS56 KMTR 010842
CLMAPC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
142 AM PDT TUE AUG 01 2023

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR THE MONTH OF JULY 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              30   07/31/2017
HIGHEST           91   07/01                          88  07/10
LOWEST            48   07/10                          46  07/22
AVG. MAXIMUM    79.9                                77.0
AVG. MINIMUM    54.9                                54.6
MEAN            67.4                                65.8
DAYS MAX >= 90     1                                   0
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     0                                   0
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
TOTALS             TR              0.01   -0.01        T
DAILY AVG.         T                                   T
DAYS >= .01        0                                   0
DAYS >= .10        0                                   0
DAYS >= .50        0                                   0
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL      T   07/29 TO 07/29                  T  07/31 TO 07/31
                       07/30 TO 07/30
                       07/31 TO 07/31
                                                          07/13 TO 07/13
                                                          07/31 TO 07/31


DEGREE DAYS
HEATING TOTAL      7                                  16
 SINCE 7/1         7                                  MM
COOLING TOTAL     93                                  48
 SINCE 1/1       111                                  MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.4
RESULTANT WIND SPEED/DIRECTION   8/210
HIGHEST WIND SPEED/DIRECTION    24/190    DATE  07/23
HIGHEST GUST SPEED/DIRECTION    29/240    DATE  07/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.23
NUMBER OF DAYS FAIR           23
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                3     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     SLEET                      0
FOG                       2     FOG W/VIS <= 1/4 MILE      0
HAZE                     12

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

$$


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