Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 250839
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
139 AM PDT THU MAY 25 2017


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 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         69    230 PM  91    1982  68      1       65
  MINIMUM         53    557 AM  45    1953  52      1       56
  AVERAGE         61                        60      1       61

PRECIPITATION (IN)
  YESTERDAY        0.00          0.14 1960   0.01  -0.01     0.00
  MONTH TO DATE    T                         0.40  -0.40     0.05
  SINCE OCT 1     30.87                     20.26  10.61    17.23
  SINCE JAN 1     21.92                     12.90   9.02    12.44

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        4                         5     -1        4
  MONTH TO DATE  102                       146    -44      110
  SINCE MAR 1    534                       708   -174      480
  SINCE JUL 1   2111                      2514   -403     1878

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE   21                         0     21        8
  SINCE MAR 1     23                         6     17       28
  SINCE JAN 1     23                         6     17       28
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION  SW (230)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     9.2


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    89          1200 AM
 LOWEST     49           300 PM
 AVERAGE    69

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        87      1951
                                             1896
 MINIMUM TEMPERATURE (F)   52        45      1967
                                             1965
                                             1955


SUNRISE AND SUNSET
MAY 25 2017...........SUNRISE   553 AM PDT   SUNSET   821 PM PDT
MAY 26 2017...........SUNRISE   552 AM PDT   SUNSET   821 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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