Climatological Report (Monthly)
Issued by NWS

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CXUS56 KMTR 012202
CLMAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
302 PM PDT TUE SEP 1 2015

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2015

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           101   08/16                         88  08/30
LOWEST             47   08/12                         46  08/16
AVG. MAXIMUM     82.2                               77.1
AVG. MINIMUM     55.1                               54.5
MEAN             68.6                               65.8
DAYS MAX >= 90      4                                  0
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      0                                  0
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
TOTALS           0.01              0.03   -0.02     0.07
DAILY AVG.       0.00                               0.00
DAYS >= .01         1                                  1
DAYS >= .10         0                                  0
DAYS >= .50         0                                  0
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.01   08/06 TO 08/06           08/05 TO 08/05
                                                          08/31 TO 08/31
                                                          08/31 TO 08/31

DEGREE_DAYS
HEATING TOTAL       0                                 12
 SINCE 7/1          6                                 22
COOLING TOTAL     119                                 45
 SINCE 1/1        263                                173
..................................................

WIND (MPH)
AVERAGE WIND SPEED              9.9
RESULTANT WIND SPEED/DIRECTION   8/237
HIGHEST WIND SPEED/DIRECTION    28/200    DATE  08/07
HIGHEST GUST SPEED/DIRECTION    31/200    DATE  08/07

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           24
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                5     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       9     FOG W/VIS <= 1/4 MILE      1
HAZE                      4

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

$$


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