Climatological Report (Monthly)
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000
CXUS56 KMTR 011353
CLMAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
652 AM PDT SUN JUL 1 2018

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR THE MONTH OF JUNE 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             110   MM
 LOW               39   06/10/2018
                        06/06/2012
                        06/01/1954
HIGHEST            96   06/23                        103  06/18
LOWEST             39R  06/10                         43  06/12
AVG. MAXIMUM     78.3                               81.8
AVG. MINIMUM     49.5                               54.8
MEAN             63.9                               68.3
DAYS MAX >= 90      2                                  5
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      0                                  0
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
TOTALS              T              0.19   -0.19     0.26
DAILY AVG.          T                               0.01
DAYS >= .01         0                                  2
DAYS >= .10         0                                  1
DAYS >= .50         0                                  0
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL       T   06/24 TO 06/24           06/08 TO 06/08
                                                          06/30 TO 06/30EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                                                          06/30 TO 06/30EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S

DEGREE_DAYS
HEATING TOTAL      58                                 17
 SINCE 7/1       2917                               2478
COOLING TOTAL      33                                123
 SINCE 1/1         38                                157
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.0
RESULTANT WIND SPEED/DIRECTION   8/215
HIGHEST WIND SPEED/DIRECTION    32/200    DATE  06/16
HIGHEST GUST SPEED/DIRECTION    39/200    DATE  06/16

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.10
NUMBER OF DAYS FAIR           26
NUMBER OF DAYS PC              4
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
  0
  0
  0
  0
  0
  0
  0
HAZE                      3

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

$$



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