AFOS product CLISFO
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CDUS46 KMTR 211205
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE IN SAN FRANCISCO                            
505 AM PDT THU APR 21 2005

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 20 2005...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1927 TO 2005

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         62    258 PM  88    1931  65     -3       65       
  MINIMUM         49    552 AM  38    1967  48      1       55       
  AVERAGE         56                        57     -1       60      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.69 2001   0.03  -0.03     0.02    
  MONTH TO DATE    1.12                      0.95   0.17     0.10    
  SINCE JUL 1     25.10                     19.39   5.71    17.42    
  SINCE JAN 1     14.23                     12.67   1.56     8.37    
                                                                     
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        5       
  MONTH TO DATE  183                       186     -3      165       
  SINCE MAR 1    420                       525   -105      346       
  SINCE JUL 1   2042                      2461   -419     2081       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE MAR 1      5                         0      5       13       
  SINCE JAN 1      5                         0      5       13       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    11.1                                         
                                                                     
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    93           100 AM                                     
 LOWEST     60           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 2005.........SUNRISE   626 AM PDT   SUNSET   751 PM PDT   
APRIL 22 2005.........SUNRISE   625 AM PDT   SUNSET   752 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 APR 21 2005 

TEMPERATURE CLIMATOLOGY FOR APR 21 2005 .
--------------------------------------------------------------------
               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  M  65 50  87 MAR 11  41 JAN 14  90 1987  42 1967
SFO AIRPORT     62 50  65 48  83 MAR 11  36 DEC 04  84 1987  38 1932
OAKLAND         63 49  67 51  88 MAR 11  38 JAN 14  89 1987  42 2001
OAKLAND AIRPOR  62 50  64 50  78 MAR 11  30 DEC 04  81 1987  38 1963
MOFFETT FIELD   63 47  67 48  83 MAR 11  31 DEC 04  89 1987  39 2001
SAN JOSE        66 52  73 49  87 MAR 11  32 JAN 14  91 1987  33 1920
SANTA ROSA      64  M  70 46  87 MAR 10  28 DEC 04  85 1931  30 1932
--------------------------------------------------------------------
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 APR 20 2005 

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    2005   PON    2004   PON   NORMAL   NORMAL
--------------  -----   -----------   -----------   ------   ------
BAKERSFIELD      0.00    8.13   135    4.63    77     6.03     6.49
EUREKA           0.00   38.18   109   36.50   104    35.08    38.10
FRESNO           0.00   13.85   132    7.50    72    10.47    11.23
OAKLAND          0.00   26.69   122   19.21    87    21.96    22.94
REDDING          0.00   32.09   105   34.26   112    30.56    33.52
SACRAMENTO       0.00   22.26   118   14.10    75    18.83    19.87
SFO AIRPORT      0.00   25.10   129   17.42    90    19.39    20.10
SAN FRANCISCO    0.00   28.33   133   20.50    96    21.34    22.28
SAN JOSE         0.00   21.41   149   13.24    92    14.34    15.08
SANTA ROSA       0.00   31.05   105   28.88    98    29.62    31.01
LOS ANGELES      0.00   36.01   246    9.25    63    14.65    15.14
SAN DIEGO        0.00   21.79   210    5.18    50    10.36    10.77
-------------------------------------------------------------------
PON - PERCENT OF NORMAL FOLLOWS THE JUL 1 - APR 20 AMOUNTS.
TRACE AMOUNTS ARE LISTED AS TRACE.
SACRAMENTO DATA REFLECTS DOWNTOWN SACRAMENTO.