weather.gov     
National Weather Service

Climatological Report (Daily)
NWS Homepage
This page is being discontinued on March 12, 2014.
The same data is available at this site. Please update your bookmarks.
Thank you, and we apologize for the inconvenience.
Please send an email to SR-SRH.Webmaster@noaa.gov with any concerns.


Current Version
Previous Version:    01  02  03  04  05  06  07  08  09  10  11  12  13  14  15  16  17  18  19  20  21  22  23  24  25  26  27  28  29  30  
   31  32  33  34  35  36  37  38  39  40  41  42  43  44  45  46  47  48  49  50  51  52  53  54  55  56  57  58  59  60  
[Printable]
350
CDUS46 KMTR 210826
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1225 AM PST SUN DEC 21 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 20 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         62    359 PM  69    1999  56      6       60
                                      1887
  MINIMUM         56    743 AM  31    1965  44     12       40
  AVERAGE         59                        50      9       50

PRECIPITATION (IN)
  YESTERDAY        0.02          0.91 1970   0.15  -0.13     0.00
  MONTH TO DATE   10.60                      2.44   8.16     0.35
  SINCE JUL 1     13.32                      5.98   7.34     1.49
  SINCE JAN 1     20.63                     19.06   1.57     3.38

SNOWFALL (IN)
  YESTERDAY        0.0           0.0
  MONTH TO DATE    0.0
  SINCE DEC 1      0.0
  SINCE JUL 1      0.0

DEGREE DAYS
 HEATING
  YESTERDAY        6                        15     -9       15
  MONTH TO DATE  122                       280   -158      328
  SINCE DEC 1    122                       280   -158      328
  SINCE JUL 1    310                       844   -534      829

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    497                       164    333      164
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION  SE (130)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    SE (140)
  HIGHEST GUST SPEED    10   HIGHEST GUST DIRECTION    SE (140)
  AVERAGE WIND SPEED     3.1


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   100          1200 AM
 LOWEST     78           400 PM
 AVERAGE    89

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        68      1999
 MINIMUM TEMPERATURE (F)   44        28      1990


SUNRISE AND SUNSET
DECEMBER 21 2014......SUNRISE   721 AM PST   SUNSET   455 PM PST
DECEMBER 22 2014......SUNRISE   721 AM PST   SUNSET   455 PM PST


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




$$





U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE