Climatological Report (Monthly)
Issued by NWS

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CXUS56 KMTR 011617
CLMAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
917 AM PDT MON AUG 1 2016

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR THE MONTH OF JULY 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             106   MM
 LOW               44   07/22/2016
HIGHEST            92   07/26                         96  07/28
LOWEST             44R  07/22                         47  07/24
AVG. MAXIMUM     78.2                               79.6
AVG. MINIMUM     51.2                               55.9
MEAN             64.7                               67.8
DAYS MAX >= 90      1                                  2
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      0                                  0
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
TOTALS           0.00                 T    0.00     0.03
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    0.00   07/31 TO 07/31           07/09 TO 07/09
                                                          07/31 TO 07/31
                                                          07/31 TO 07/31

DEGREE_DAYS
HEATING TOTAL      37                                  6
 SINCE 7/1         37                                  6
COOLING TOTAL      34                                 99
 SINCE 1/1         96                                144
..................................................

WIND (MPH)
AVERAGE WIND SPEED              9.8
RESULTANT WIND SPEED/DIRECTION   8/216
HIGHEST WIND SPEED/DIRECTION    31/260    DATE  07/09
HIGHEST GUST SPEED/DIRECTION    37/260    DATE  07/09

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           21
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     71

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                       7     FOG W/VIS <= 1/4 MILE      2
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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