CDUS46 KMTR 140028
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
428 PM PST FRI DEC 13 2019


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 13 2019...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2019


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         61    222 PM  69    1958  57      4       61
  MINIMUM         55    638 AM  30    1972  45     10       44
                                      1945
  AVERAGE         58                        51      7       53

PRECIPITATION (IN)
  TODAY            0.00          2.47 2002   0.12  -0.12     0.00
  MONTH TO DATE    2.18                      1.49   0.69     0.51
  SINCE OCT 1      3.47                      4.82  -1.35     3.74
  SINCE JAN 1     21.96                     18.11   3.85    14.55

SNOWFALL (IN)
  TODAY            0.0           0.0
  MONTH TO DATE    0.0
  SINCE DEC 1      0.0
  SINCE JUL 1      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            7                        14     -7       12
  MONTH TO DATE  104                       176    -72      167
  SINCE DEC 1    104                       176    -72      167
  SINCE JUL 1    473                       740   -267      694

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    384                       164    220       65
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION   W (260)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED     4.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     72           300 PM
 AVERAGE    86

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        69      1958
 MINIMUM TEMPERATURE (F)   45        30      1972


SUNRISE AND SUNSET
DECEMBER 13 2019......SUNRISE   716 AM PST   SUNSET   452 PM PST
DECEMBER 14 2019......SUNRISE   716 AM PST   SUNSET   452 PM PST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$