AFOS product CLISFO
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CDUS46 KMTR 111227
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE IN SAN FRANCISCO                            
430 AM PST MON DEC 11 2006

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 10 2006...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1927 TO 2006

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         59    251 PM  70    1958  57      2       62       
  MINIMUM         48   1119 PM  27    1932  43      5       43       
  AVERAGE         54                        50      4       53      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.26          1.48 1996   0.08   0.18     0.00    
  MONTH TO DATE    1.16                      0.84   0.32     1.00    
  SINCE JUL 1      3.13                      4.67  -1.54     2.39    
  SINCE JAN 1     18.39                     18.06   0.33    18.65    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE    0.0                                               
  SINCE DEC 1      0.0                                               
  SINCE JUL 1      0.0                                               
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       11                        15     -4       12       
  MONTH TO DATE  125                       143    -18      142       
  SINCE DEC 1    125                       143    -18      142       
  SINCE JUL 1    736                       767    -31      657       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    153                       142     11       68       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION     W (250)      
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION     W (260)      
  AVERAGE WIND SPEED     7.6                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  THUNDERSTORM                                                       
  HEAVY RAIN                                                         
  LIGHT RAIN                                                         
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           800 AM                                     
 LOWEST     67           200 PM                                     
 AVERAGE    84                                                       
..........................................................
                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   56        74      1958                    
 MINIMUM TEMPERATURE (F)   43        26      1972                    
                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 11 2006......SUNRISE   714 AM PST   SUNSET   451 PM PST   
DECEMBER 12 2006......SUNRISE   715 AM PST   SUNSET   451 PM PST   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          

&&
---------------------------------------------------------------------
TEMPERATURE SUMMARIES FOR SELECTED LOCATIONS
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
430 AM PST MON DEC 11 2006

TEMPERATURE CLIMATOLOGY FOR DEC 11 2006.
--------------------------------------------------------------------
               DEC DEC  DEC    HIGHEST    LOWEST     RECORDS SET ON
                10 11    11    SINCE      SINCE          DEC 11
                HI LO  NORMS   JAN 1      JUL 1     HI YEAR  LO YEAR
--------------  -----  -----  ---------  ---------  -------  -------
SAN FRANCISCO   59 49  59 47  87 JUL 22  44 DEC 01  73 1958  27 1932
SFO AIRPORT     59 44  46 43  97 JUL 22  38 DEC 02  74 1958  26 1972
OAKLAND         61 46  58 45  94 JUL 22  39 NOV 28  65 1979  28 1972
OAKLAND AIRPOR  61 41  56 44  98 JUL 22  34 NOV 28  71 1958  24 1932
MOFFETT FIELD   59 42  58 43 100 JUL 22  34 NOV 30  74 1958  29 1972
SAN JOSE        60 44  59 41 104 JUL 23  35 NOV 30  74 1958  23 1972
SANTA ROSA      59  M  59 39 105 JUL 22  29 DEC 02  79 1958  17 1972
--------------------------------------------------------------------
HIGHS AND LOWS FOR TODAY WILL BE IN THE AFTERNOON REPORT.
ALL NORMALS ARE 1971-2000 AVERAGE EXCEPT
MOFFETT NAS WHICH IS A 1961-1990 AVERAGE.
.....................................................................

PRECIPITATION DATA FOR SELECTED LOCATIONS
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
430 PM PST SUN DEC 10 2006

PRECIPITATION DATA AS OF 4 PM FOR SELECTED CALIFORNIA LOCATIONS
-------------------------------------------------------------------
NORMALS ARE      LAST    JUL 1-        JUL 1-       JUL 1-   JUL 1-
1971-2000         24     DEC 10        DEC 10       DEC 10   JUN 30
AVERAGES.       HOURS    2006   PON    2005   PON   NORMAL   NORMAL
--------------  -----   -----------   -----------   ------   ------
BAKERSFIELD      0.21    0.52    39    1.12    85     1.32     6.49
EUREKA           0.43    9.53    74   13.36   115    11.64    38.10
FRESNO           0.34    0.65    27    0.63    26     2.43    11.23
OAKLAND          0.72    3.29    55    3.41    57     5.97    22.94
REDDING          0.75    5.46    65    6.99    84     8.36    33.52
SACRAMENTO       0.74    2.60    53    2.30    47     4.90    19.87
SFO AIRPORT      0.78    3.13    67    2.39    51     4.67    20.10
SAN FRANCISCO    0.83    4.97    84    3.98    67     5.93    22.28
SAN JOSE         0.82    2.69    76    1.69    47     3.56    15.08
SANTA ROSA       1.09    5.77    70    5.56    68     8.19    31.01
LOS ANGELES      0.43    0.93    39    1.98    83     2.38    15.14
SAN DIEGO        0.14    1.11    50    0.77    35     2.22    10.77
-------------------------------------------------------------------
PON - PERCENT OF NORMAL FOLLOWS THE JUL 1 - DEC 10 AMOUNTS.
TRACE AMOUNTS ARE LISTED AS TRACE.
SACRAMENTO DATA REFLECTS DOWNTOWN SACRAMENTO.

$$