Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 270833
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
133 AM PDT SAT MAY 27 2017


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 26 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         69    326 PM  84    2014  75     -6       71
  MINIMUM         54   1159 PM  40    2011  47      7       50
                                      1998
  AVERAGE         62                        61      1       61

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    T                                         0.25
  SINCE OCT 1     36.85                                     18.86
  SINCE JAN 1     27.90                                     14.67

DEGREE DAYS
 HEATING
  YESTERDAY        3                                         4
  MONTH TO DATE   89                                       137
  SINCE MAR 1    568                                       690
  SINCE JUL 1   2451                                      2581

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE   30                                         5
  SINCE MAR 1     32                                         5
  SINCE JAN 1     32                                         5
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION  SW (230)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     9.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83          1000 PM
 LOWEST     53           200 PM
 AVERAGE    68

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        87      2003
 MINIMUM TEMPERATURE (F)   47        42      2012


SUNRISE AND SUNSET
MAY 27 2017...........SUNRISE   550 AM PDT   SUNSET   823 PM PDT
MAY 28 2017...........SUNRISE   549 AM PDT   SUNSET   824 PM PDT


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




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