AFOS product CLISFO
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CDUS46 KMTR 211212
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE IN SAN FRANCISCO                            
530 AM PDT FRI APR 21 2006

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 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         61    208 PM  88    1931  65     -4       62       
  MINIMUM         51    541 AM  38    1967  48      3       49       
  AVERAGE         56                        57     -1       56      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.69 2001   0.03  -0.03     0.00    
  MONTH TO DATE    4.01                      0.95   3.06     1.12    
  SINCE JUL 1     25.62                     19.39   6.23    25.10    
  SINCE JAN 1     14.89                     12.67   2.22    14.23    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE MAR 1      0.0                                               
  SINCE JUL 1      0.0                                               
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        9                         9      0        9       
  MONTH TO DATE  206                       186     20      183       
  SINCE MAR 1    632                       525    107      420       
  SINCE JUL 1   2253                      2461   -208     2042       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE MAR 1      0                         0      0        5       
  SINCE JAN 1      0                         0      0        5       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED    15.5                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    89          1200 AM                                     
 LOWEST     64           100 PM                                     
 AVERAGE    77                                                       
..........................................................
                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   65        84      1987                    
 MINIMUM TEMPERATURE (F)   48        38      1932                    
                                                                     
SUNRISE AND SUNSET                                                   
APRIL 21 2006.........SUNRISE   626 AM PDT   SUNSET   751 PM PDT   
APRIL 22 2006.........SUNRISE   625 AM PDT   SUNSET   751 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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TEMPERATURE SUMMARIES FOR SELECTED LOCATIONS
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
530 AM PDT FRI APR 21 2006

TEMPERATURE CLIMATOLOGY FOR APR 21 2006.
--------------------------------------------------------------------
               APR APR  APR    HIGHEST    LOWEST     RECORDS SET ON
                20 21    21    SINCE      SINCE          APR 21
                HI LO  NORMS   JAN 1      JUL 1     HI YEAR  LO YEAR
--------------  -----  -----  ---------  ---------  -------  -------
SAN FRANCISCO   60 50  65 50  74 FEB 08  38 FEB 16  90 1987  42 1967
SFO AIRPORT     61 52  65 48  73 FEB 08  37 MAR 11  84 1987  38 1932
OAKLAND         66 51  67 51  77 FEB 08  37 MAR 11  89 1987  42 2001
OAKLAND AIRPOR  65 49  64 50  71 FEB 13  32 DEC 06  81 1987  38 1963
MOFFETT FIELD   64 51  67 48  74 FEB 09  32 FEB 16  89 1987  39 2001
SAN JOSE        69 52  73 49  74 FEB 09  36 MAR 13  91 1987  33 1920
SANTA ROSA      71  M  70 46  76 JAN 23  28 FEB 21  85 1931  30 1932
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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 THU APR 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     APR 20        APR 20       APR 20   JUN 30
AVERAGES.       HOURS    2006   PON    2005   PON   NORMAL   NORMAL
--------------  -----   -----------   -----------   ------   ------
BAKERSFIELD      0.00    6.18   102    8.13   135     6.03     6.49
EUREKA           0.00   57.40   164   37.18   106    35.08    38.10
FRESNO           0.00   13.50   129   13.85   132    10.47    11.23
OAKLAND          0.00   30.17   137   26.69   122    21.96    22.94
REDDING          0.00   44.38   145   32.09   105    30.56    33.52
SACRAMENTO       0.00   25.21   134   22.26   118    18.83    19.87
SFO AIRPORT      0.00   25.62   132   25.10   129    19.39    20.10
SAN FRANCISCO    0.00   34.01   159   29.12   136    21.34    22.28
SAN JOSE         0.00   22.09   154   21.41   149    14.34    15.08
SANTA ROSA       0.00   44.86   151   31.05   105    29.62    31.01
LOS ANGELES      0.00   12.31    84   36.01   246    14.65    15.14
SAN DIEGO        0.00    4.60    44   21.79   210    10.36    10.77
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PON - PERCENT OF NORMAL FOLLOWS THE JUL 1 - APR 20 AMOUNTS.
TRACE AMOUNTS ARE LISTED AS TRACE.
SACRAMENTO DATA REFLECTS DOWNTOWN SACRAMENTO.