Climatological Report (Daily)
Issued by NWS

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984
CDUS46 KMTR 190031
CLIAPC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
531 PM PDT SAT MAY 18 2024

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 18 2024...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2024


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         66   1:54 PM  91    2022  73     -7       71
  MINIMUM         52   6:29 AM  39    2013  48      4       52
  AVERAGE         59                        61     -2       62

PRECIPITATION (IN)
  TODAY            0.00                                      0.00
  MONTH TO DATE    0.69                                      0.70
  SINCE OCT 1     19.88                                     29.49
  SINCE JAN 1     13.84                                     21.07

DEGREE DAYS
 HEATING
  TODAY            6                                         3
  MONTH TO DATE  107                                       115
  SINCE MAR 1    738                                       799
  SINCE JUL 1   2386                                      2829

 COOLING
  TODAY            0                                         0
  MONTH TO DATE    5                                         6
  SINCE MAR 1      5                                         9
  SINCE JAN 1      5                                         9
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  SW (240)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED    12.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           1:00 AM
 LOWEST     65           1:00 PM
 AVERAGE    79

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        88      2017
                                             2022
 MINIMUM TEMPERATURE (F)   48        40      2003
                                             2011


SUNRISE AND SUNSET
MAY 18 2024...........SUNRISE   5:55 AM PDT   SUNSET   8:16 PM PDT
MAY 19 2024...........SUNRISE   5:55 AM PDT   SUNSET   8:17 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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