Climatological Report (Monthly)
Issued by NWS

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CXUS56 KMTR 012220
CLMAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
320 PM PDT SAT AUG 1 2015

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR THE MONTH OF JULY 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             106   MM
 LOW               46   07/07/2012
HIGHEST            96   07/28                         98  07/25
LOWEST             47   07/24                         47  07/06
AVG. MAXIMUM     79.6                               78.5
AVG. MINIMUM     55.9                               55.2
MEAN             67.8                               66.9
DAYS MAX >= 90      2                                  2
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      0                                  0
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
TOTALS           0.03                 T    0.03        T
DAILY AVG.       0.00                                  T
DAYS >= .01         1                                  0
DAYS >= .10         0                                  0
DAYS >= .50         0                                  0
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.03   07/09 TO 07/09           07/22 TO 07/22
                                                          07/31 TO 07/31
                                                          07/31 TO 07/31

DEGREE_DAYS
HEATING TOTAL       6                                 10
 SINCE 7/1          6                                 10
COOLING TOTAL      99                                 76
 SINCE 1/1        144                                128
..................................................

WIND (MPH)
AVERAGE WIND SPEED              10.7
RESULTANT WIND SPEED/DIRECTION   9/232
HIGHEST WIND SPEED/DIRECTION    24/200    DATE  07/22
HIGHEST GUST SPEED/DIRECTION    31/190    DATE  07/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           22
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                7     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       4     FOG W/VIS <= 1/4 MILE      0
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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