Climatological Report (Daily)
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000
CDUS46 KMTR 250837
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
137 AM PDT TUE APR 25 2017


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 24 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         62    220 PM  81    2004  66     -4       64
  MINIMUM         53   1159 PM  39    1960  50      3       50
  AVERAGE         58                        58      0       57

PRECIPITATION (IN)
  YESTERDAY        0.00          0.34 1983   0.04  -0.04     0.00
  MONTH TO DATE    2.20                      1.12   1.08     0.78
  SINCE OCT 1     30.87                     19.69  11.18    17.14
  SINCE JAN 1     21.92                     12.33   9.59    12.35

SNOWFALL (IN)
  YESTERDAY        0.0           0.0
  MONTH TO DATE    0.0
  SINCE MAR 1      0.0
  SINCE JUL 1      0.0

DEGREE DAYS
 HEATING
  YESTERDAY        7                         8     -1        8
  MONTH TO DATE  163                       205    -42       98
  SINCE MAR 1    404                       519   -115      315
  SINCE JUL 1   1981                      2325   -344     1713

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    1                         0      1       20
  SINCE MAR 1      1                         1      0       20
  SINCE JAN 1      1                         1      0       20
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  16   RESULTANT WIND DIRECTION   W (270)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    34   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    16.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83           900 PM
 LOWEST     69          1100 AM
 AVERAGE    76

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   66        87      2004
 MINIMUM TEMPERATURE (F)   50        41      1974


SUNRISE AND SUNSET
APRIL 25 2017.........SUNRISE   621 AM PDT   SUNSET   755 PM PDT
APRIL 26 2017.........SUNRISE   620 AM PDT   SUNSET   755 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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