Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 260835
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
135 AM PDT FRI MAY 26 2017


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 25 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         65    337 PM  87    1951  68     -3       65
                                      1896
  MINIMUM         55    537 AM  45    1967  52      3       56
                                      1965
                                      1955
  AVERAGE         60                        60      0       61

PRECIPITATION (IN)
  YESTERDAY        0.00          0.12 1946   0.01  -0.01     0.00
  MONTH TO DATE    T                         0.41  -0.41     0.05
  SINCE OCT 1     30.87                     20.27  10.60    17.23
  SINCE JAN 1     21.92                     12.91   9.01    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        5                         5      0        4
  MONTH TO DATE  107                       151    -44      114
  SINCE MAR 1    539                       713   -174      484
  SINCE JUL 1   2116                      2519   -403     1882

 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  16   RESULTANT WIND DIRECTION   S (190)
  HIGHEST WIND SPEED    31   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED    16.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    77          1200 AM
 LOWEST     52           400 PM
 AVERAGE    65

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   69        89      1896
 MINIMUM TEMPERATURE (F)   52        42      1953


SUNRISE AND SUNSET
MAY 26 2017...........SUNRISE   552 AM PDT   SUNSET   821 PM PDT
MAY 27 2017...........SUNRISE   552 AM PDT   SUNSET   822 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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