AFOS product CLISFO
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CDUS46 KMTR 171207
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE IN SAN FRANCISCO                            
530 AM PDT TUE MAY 17 2005

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 16 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         66    222 PM  93    1956  67     -1       64       
  MINIMUM         56   1159 PM  43    1943  51      5       52       
  AVERAGE         61                        59      2       58      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             0.13 1994   0.01  -0.01     0.00    
  MONTH TO DATE    0.81                      0.23   0.58     0.00    
  SINCE JUL 1     26.49                     19.85   6.64    17.42    
  SINCE JAN 1     15.62                     13.13   2.49     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        4                         7     -3        7       
  MONTH TO DATE   63                       115    -52       77       
  SINCE MAR 1    539                       720   -181      445       
  SINCE JUL 1   2161                      2656   -495     2180       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    1                         0      1        4       
  SINCE MAR 1      6                         4      2       42       
  SINCE JAN 1      6                         4      2       42       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    35   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    40   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED    19.2                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           100 AM                                     
 LOWEST     48          1200 PM                                     
 AVERAGE    71                                                       
..........................................................
                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   67        93      1997                    
 MINIMUM TEMPERATURE (F)   51        42      1943                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY 17 2005...........SUNRISE   558 AM PDT   SUNSET   814 PM PDT   
MAY 18 2005...........SUNRISE   557 AM PDT   SUNSET   815 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 TUE MAY 17 2005 

TEMPERATURE CLIMATOLOGY FOR MAY 17 2005 .
--------------------------------------------------------------------
               MAY MAY  MAY    HIGHEST    LOWEST     RECORDS SET ON
                16 17    17    SINCE      SINCE          MAY 17
                HI LO  NORMS   JAN 1      JUL 1     HI YEAR  LO YEAR
--------------  -----  -----  ---------  ---------  -------  -------
SAN FRANCISCO   63 53  65 51  87 MAR 11  41 JAN 14  94 1997  46 1899
SFO AIRPORT     66 55  67 51  83 MAR 11  36 DEC 04  93 1997  42 1943
OAKLAND         66 55  69 53  88 MAR 11  38 JAN 14  94 1997  48 1998
OAKLAND AIRPOR  67 55  66 52  78 MAR 11  30 DEC 04  89 1997  42 1943
MOFFETT FIELD   69 52  70 51  83 MAR 11  31 DEC 04  98 1997  44 1977
SAN JOSE        68 53  76 52  87 MAR 11  32 JAN 14  99 1997  39 ----
SANTA ROSA      67  M  74 49  87 MAR 10  28 DEC 04  98 1997  34 1918
--------------------------------------------------------------------
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 MON MAY 16 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     MAY 16        MAY 16       MAY 16   JUN 30
AVERAGES.       HOURS    2005   PON    2004   PON   NORMAL   NORMAL
--------------  -----   -----------   -----------   ------   ------
BAKERSFIELD      0.00    9.17   146    4.63    74     6.29     6.49
EUREKA           0.27   40.44   110   37.09   101    36.79    38.10
FRESNO           0.13   15.83   146    7.51    69    10.85    11.23
OAKLAND          0.00   27.86   123   19.23    85    22.61    22.94
REDDING          0.68   36.64   114   35.01   109    32.12    33.52
SACRAMENTO       0.00   23.61   122   14.11    73    19.41    19.87
SFO AIRPORT     TRACE   26.49   134   17.42    88    19.84    20.10
SAN FRANCISCO    0.00   29.72   136   20.54    94    21.93    22.28
SAN JOSE         0.02   24.12   163   13.24    89    14.83    15.08
SANTA ROSA       0.00   35.02   115   28.90    95    30.47    31.01
LOS ANGELES      0.00   37.25   249    9.25    62    14.93    15.14
SAN DIEGO        0.00   22.47   211    5.18    49    10.64    10.77
-------------------------------------------------------------------
PON - PERCENT OF NORMAL FOLLOWS THE JUL 1 - MAY 16 AMOUNTS.
TRACE AMOUNTS ARE LISTED AS TRACE.
SACRAMENTO DATA REFLECTS DOWNTOWN SACRAMENTO.
NNNN