Climatological Report (Monthly)
Issued by NWS

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000
CXUS56 KMTR 021356
CLMAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
656 AM PDT SAT AUG 2 2014

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR THE MONTH OF JULY 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             106   MM
 LOW               46   07/07/2012
HIGHEST            98   07/25                         91  07/01
LOWEST             47   07/06                         48  07/14
AVG. MAXIMUM     78.5                               77.2
AVG. MINIMUM     55.2                               54.2
MEAN             66.9                               65.7
DAYS MAX >= 90      2                                  2
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      0                                  0
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
TOTALS              T                 T    0.00     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   07/22 TO 07/22           07/31 TO 07/31
                                                          07/31 TO 07/31
                                                          07/31 TO 07/31

DEGREE_DAYS
HEATING TOTAL      10                                 20
 SINCE 7/1         10                                 20
COOLING TOTAL      76                                 51
 SINCE 1/1        128                                148
..................................................

WIND (MPH)
AVERAGE WIND SPEED              9.9
RESULTANT WIND SPEED/DIRECTION   8/223
HIGHEST WIND SPEED/DIRECTION    26/190    DATE  07/09
HIGHEST GUST SPEED/DIRECTION    33/200    DATE  07/09

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           17
NUMBER OF DAYS PC             14
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                0     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       3     FOG W/VIS <= 1/4 MILE      0
HAZE                      0

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

$$



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