Climatological Report (Monthly)
Issued by NWS

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CXUS56 KMTR 021343
CLMAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
642 AM PDT TUE SEP 2 2014

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2014

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             104   MM
 LOW               45   08/02/2013
                        08/27/2012
                        01/04/2000
HIGHEST            88   08/30                         92  08/30
LOWEST             46   08/16                         45  08/02
AVG. MAXIMUM     77.1                               80.0
AVG. MINIMUM     54.5                               54.2
MEAN             65.8                               67.1
DAYS MAX >= 90      0                                  2
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      0                                  0
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
TOTALS           0.07              0.03    0.04     0.00
DAILY AVG.       0.00                               0.00
DAYS >= .01         1                                  0
DAYS >= .10         0                                  0
DAYS >= .50         0                                  0
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.07   08/05 TO 08/05           08/31 TO 08/31
                                                          08/31 TO 08/31
                                                          08/31 TO 08/31

DEGREE_DAYS
HEATING TOTAL      12                                 16
 SINCE 7/1         22                                 36
COOLING TOTAL      45                                 89
 SINCE 1/1        173                                237
..................................................

WIND (MPH)
AVERAGE WIND SPEED              8.9
RESULTANT WIND SPEED/DIRECTION   7/225
HIGHEST WIND SPEED/DIRECTION    24/200    DATE  08/19
HIGHEST GUST SPEED/DIRECTION    28/200    DATE  08/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           12
NUMBER OF DAYS PC             19
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     75

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     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                0     SLEET                      0
FOG                       7     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.

$$


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