Climatological Report (Daily)
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046
CDUS46 KMTR 300828
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT SUN APR 30 2017


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 29 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         77    130 PM  92    1981  66     11       60
  MINIMUM         54   1159 PM  40    1950  50      4       48
  AVERAGE         66                        58      8       54

PRECIPITATION (IN)
  YESTERDAY        0.00          0.73 1948   0.02  -0.02     0.00
  MONTH TO DATE    2.20                      1.26   0.94     0.82
  SINCE OCT 1     30.87                     19.83  11.04    17.18
  SINCE JAN 1     21.92                     12.47   9.45    12.39

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        0                         7     -7       11
  MONTH TO DATE  188                       240    -52      148
  SINCE MAR 1    429                       554   -125      365
  SINCE JUL 1   2006                      2360   -354     1763

 COOLING
  YESTERDAY        1                         0      1        0
  MONTH TO DATE    2                         0      2       20
  SINCE MAR 1      2                         1      1       20
  SINCE JAN 1      2                         1      1       20
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION  NW (310)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED    13.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    77          1100 PM
 LOWEST     25           200 PM
 AVERAGE    51

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   66        90      2014
                                             1996
                                             1922
 MINIMUM TEMPERATURE (F)   50        41      1946


SUNRISE AND SUNSET
APRIL 30 2017.........SUNRISE   615 AM PDT   SUNSET   759 PM PDT
MAY  1 2017...........SUNRISE   614 AM PDT   SUNSET   800 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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