Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 180832
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
132 AM PDT SAT APR 18 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 17 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         70    152 PM  82    1954  65      5       64
  MINIMUM         51   1159 PM  40    1963  49      2       53
  AVERAGE         61                        57      4       59

PRECIPITATION (IN)
  YESTERDAY        0.00          0.80 1957   0.04  -0.04     0.00
  MONTH TO DATE    0.87                      0.86   0.01     1.20
  SINCE OCT 1     15.90                     19.43  -3.53     8.16
  SINCE JAN 1      2.94                     12.07  -9.13     6.90

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                         8     -4        6
  MONTH TO DATE  107                       149    -42       95
  SINCE MAR 1    251                       463   -212      271
  SINCE JUL 1   1198                      2269  -1071     1816

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


WIND (MPH)
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION   W (290)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED    11.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           800 PM
 LOWEST     42          1200 AM
 AVERAGE    71

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   65        83      1950
 MINIMUM TEMPERATURE (F)   49        39      1968
                                             1967


SUNRISE AND SUNSET
APRIL 18 2015.........SUNRISE   631 AM PDT   SUNSET   748 PM PDT
APRIL 19 2015.........SUNRISE   629 AM PDT   SUNSET   749 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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