Climatological Report (Daily)
Issued by NWS

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511
CDUS46 KMTR 120836
CLIAPC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
136 AM PDT THU SEP 12 2024

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR SEPTEMBER 11 2024...

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)
 YESTERDAY
  MAXIMUM         85   1:20 PM  98    2017  81      4       81
  MINIMUM         48   5:43 AM  40    2005  52     -4       50
  AVERAGE         67                        66      1       66

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    0.00                                      0.01
  SINCE OCT 1     19.88                                     29.52
  SINCE JAN 1     13.84                                     21.10

DEGREE DAYS
 HEATING
  YESTERDAY        0                                         0
  MONTH TO DATE    2                                         0
  SINCE SEP 1      2                                         0
  SINCE JUL 1     15                                         8

 COOLING
  YESTERDAY        2                                         1
  MONTH TO DATE   33                                        24
  SINCE SEP 1     33                                        24
  SINCE JAN 1    334                                       297
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION   W (260)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    34   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED    11.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           5:00 AM
 LOWEST     34          12:00 PM
 AVERAGE    67

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   81        99      2003
 MINIMUM TEMPERATURE (F)   52        40      2005


SUNRISE AND SUNSET
SEPTEMBER 12 2024.....SUNRISE   6:49 AM PDT   SUNSET   7:21 PM PDT
SEPTEMBER 13 2024.....SUNRISE   6:50 AM PDT   SUNSET   7:19 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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