Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 220826
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
125 AM PDT FRI MAY 22 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 21 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         67    208 PM  92    2000  68     -1       71
  MINIMUM         55    153 AM  45    1974  52      3       56
                                      1962
                                      1899
  AVERAGE         61                        60      1       64

PRECIPITATION (IN)
  YESTERDAY        0.01          0.24 2006   0.01   0.00     0.00
  MONTH TO DATE    0.01                      0.36  -0.35      T
  SINCE OCT 1     16.32                     20.22  -3.90     8.57
  SINCE JAN 1      3.36                     12.86  -9.50     7.31

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        1
  MONTH TO DATE  129                       131     -2       51
  SINCE MAR 1    460                       693   -233      386
  SINCE JUL 1   1407                      2499  -1092     1931

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0       41
  SINCE MAR 1     13                         6      7       62
  SINCE JAN 1     13                         6      7       62
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION   W (260)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     9.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           600 AM
 LOWEST     58           200 PM
 AVERAGE    76

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        83      1954
 MINIMUM TEMPERATURE (F)   52        44      1952
                                             1909


SUNRISE AND SUNSET
MAY 22 2015...........SUNRISE   555 AM PDT   SUNSET   818 PM PDT
MAY 23 2015...........SUNRISE   554 AM PDT   SUNSET   819 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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