AFOS product CLISFO
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CDUS46 KMTR 211213
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE IN SAN FRANCISCO                            
510 AM PDT THU SEP 21 2006

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 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         79   1245 PM 102    1939  73      6       67       
  MINIMUM         52    444 AM  45    1928  55     -3       55       
  AVERAGE         66                        64      2       61      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             0.08 2005   0.01  -0.01     0.08    
  MONTH TO DATE    T                         0.10  -0.10     0.08    
  SINCE JUL 1      T                         0.20  -0.20     0.08    
  SINCE JAN 1     15.26                     13.59   1.67    16.34    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE SEP 1      0.0                                               
  SINCE JUL 1      0.0                                               
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         2     -2        4       
  MONTH TO DATE   60                        40     20       67       
  SINCE SEP 1     60                        40     20       67       
  SINCE JUL 1    172                       173     -1      159       
                                                                     
 COOLING                                                             
  YESTERDAY        1                         1      0        0       
  MONTH TO DATE    9                        28    -19        1       
  SINCE SEP 1      9                        28    -19        1       
  SINCE JAN 1    144                       112     32       49       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     8.1                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    83           600 AM                                     
 LOWEST     24           200 PM                                     
 AVERAGE    54                                                       
..........................................................
                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   73       102      1939                    
 MINIMUM TEMPERATURE (F)   55        45      1955                    
                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 21 2006.....SUNRISE   656 AM PDT   SUNSET   708 PM PDT   
SEPTEMBER 22 2006.....SUNRISE   657 AM PDT   SUNSET   706 PM PDT   
                                                                    
-  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
530 AM PDT THU SEP 21 2006

TEMPERATURE CLIMATOLOGY FOR SEP 21 2006.
--------------------------------------------------------------------
               SEP SEP  SEP    HIGHEST    LOWEST     RECORDS SET ON
                20 21    21    SINCE      SINCE          SEP 21
                HI LO  NORMS   JAN 1      JUL 1     HI YEAR  LO YEAR
--------------  -----  -----  ---------  ---------  -------  -------
SAN FRANCISCO   76 55  72 56  87 JUL 22  50 JUL 07  99 1928  50 1899
SFO AIRPORT     79 57  73 55  97 JUL 22  50 SEP 16 102 1939  45 1955
OAKLAND         81 58  74 58  94 JUL 22  52 SEP 16  96 2003  53 2004
OAKLAND AIRPOR  81 53  73 57  98 JUL 22  49 SEP 20 100 1939  46 1941
MOFFETT FIELD   83 56  75 57 100 JUL 22  50 SEP 16  97 2003  48 1960
SAN JOSE        83 58  82 56 104 JUL 23  52 SEP 16 101 1939  43 ----
SANTA ROSA      86 53  82 52 105 JUL 22  44 SEP 16 105 1939  35 1924
--------------------------------------------------------------------
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
530 PM PDT WED SEP 20 2006

PRECIPITATION DATA AS OF 5 PM FOR SELECTED CALIFORNIA LOCATIONS
-------------------------------------------------------------------
NORMALS ARE      LAST    JUL 1-        JUL 1-       JUL 1-   JUL 1-
1971-2000         24     SEP 20        SEP 20       SEP 20   JUN 30
AVERAGES.       HOURS    2006   PON    2005   PON   NORMAL   NORMAL
--------------  -----   -----------   -----------   ------   ------
BAKERSFIELD      0.00    0.00     0    0.02    15     0.13     6.49
EUREKA           0.00    0.08     8    0.20    19     1.05    38.10
FRESNO           0.00    0.00     0    0.00     0     0.18    11.23
OAKLAND          0.00    0.00     0    0.00     0     0.35    22.94
REDDING          0.00    0.04     8    0.01     2     0.50    33.52
SACRAMENTO       0.00    0.00     0    0.00     0     0.30    19.87
SFO AIRPORT      0.00    0.00     0    0.08    40     0.20    20.10
SAN FRANCISCO    0.00    0.00     0    0.03    10     0.31    22.28
SAN JOSE         0.00    0.00     0    0.01     4     0.26    15.08
SANTA ROSA       0.00    0.01     2    0.04     9     0.44    31.01
LOS ANGELES      0.00    0.00     0    0.29    81     0.36    15.14
SAN DIEGO        0.00    0.05    22    0.11    48     0.23    10.77
-------------------------------------------------------------------
PON - PERCENT OF NORMAL FOLLOWS THE JUL 1 - SEP 20 AMOUNTS.
TRACE AMOUNTS ARE LISTED AS TRACE.
SACRAMENTO DATA REFLECTS DOWNTOWN SACRAMENTO.

$$