Climatological Report (Monthly)
Issued by NWS

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CXUS56 KMTR 031511
CLMAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
746 AM PDT FRI JUL 3 2015

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR THE MONTH OF JUNE 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             110   MM
 LOW               39   06/06/2012
HIGHEST            99   06/08                         97  06/08
LOWEST             46   06/22                         42  06/13
AVG. MAXIMUM     77.8                               79.0
AVG. MINIMUM     51.5                               50.4
MEAN             64.6                               64.7
DAYS MAX >= 90      2                                  4
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      0                                  0
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
TOTALS           0.13              0.19   -0.06        T
DAILY AVG.       0.00                                  T
DAYS >= .01         2                                  0
DAYS >= .10         1                                  0
DAYS >= .50         0                                  0
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.14   06/09 TO 06/10           06/26 TO 06/26
                                                          06/30 TO 06/30
                                                          06/30 TO 06/30

DEGREE_DAYS
HEATING TOTAL      48                                 43
 SINCE 7/1       2582                               2935
COOLING TOTAL      44                                 41
 SINCE 1/1         45                                 52
.................................................

WIND (MPH)
AVERAGE WIND SPEED              9.5
RESULTANT WIND SPEED/DIRECTION   8/215
HIGHEST WIND SPEED/DIRECTION    28/200    DATE  06/09
HIGHEST GUST SPEED/DIRECTION    34/200    DATE  06/09

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           24
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                2     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       8     FOG W/VIS <= 1/4 MILE      0
HAZE                      8

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

$$


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