AFOS product CLISFO
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CDUS46 KMTR 211208
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE IN SAN FRANCISCO                            
509 AM PDT WED SEP 21 2005

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 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         67   1118 AM 102    1939  73     -6       71       
  MINIMUM         55    617 AM  45    1928  55      0       54       
  AVERAGE         61                        64     -3       63      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.08R         0.01 1973   0.01   0.07     0.00    
  MONTH TO DATE    0.08                      0.10  -0.02     0.04    
  SINCE JUL 1      0.08                      0.20  -0.12     0.04    
  SINCE JAN 1     16.34                     13.59   2.75     8.48    
                                                                     
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        4                         2      2        2       
  MONTH TO DATE   67                        40     27       12       
  SINCE SEP 1     67                        40     27       12       
  SINCE JUL 1    159                       173    -14       41       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    1                        28    -27       88       
  SINCE SEP 1      1                        28    -27       88       
  SINCE JAN 1     49                       112    -63      225       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED     5.8                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  THUNDERSTORM                                                       
  RAIN                                                               
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           800 PM                                     
 LOWEST     63          1100 AM                                     
 AVERAGE    75                                                       
..........................................................
                                                                     
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 2005.....SUNRISE   657 AM PDT   SUNSET   708 PM PDT   
SEPTEMBER 22 2005.....SUNRISE   658 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 WED SEP 21 2005

TEMPERATURE CLIMATOLOGY FOR SEP 21 2005.
--------------------------------------------------------------------
               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   61 55  72 56  87 MAR 11  50 SEP 19  99 1928  50 1899
SFO AIRPORT     67 56  73 55  89 AUG 31  51 SEP 19 102 1939  45 1955
OAKLAND         66 57  74 58  91 JUL 23  52 SEP 19  96 2003  53 2004
OAKLAND AIRPOR  64 54  73 57  92 JUL 23  50 SEP 05 100 1939  46 1941
MOFFETT FIELD   70 57  75 57  94 AUG 31  51 SEP 12  97 2003  48 1960
SAN JOSE        73 60  82 56  97 JUL 23  52 SEP 12 101 1939  43 ----
SANTA ROSA      73  M  82 52  97 JUL 23  44 SEP 19 105 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 TUE SEP 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     SEP 20        SEP 20       SEP 20   JUN 30
AVERAGES.       HOURS    2005   PON    2004   PON   NORMAL   NORMAL
--------------  -----   -----------   -----------   ------   ------
BAKERSFIELD      0.01    0.02    15    0.00     0     0.13     6.49
EUREKA          TRACE    0.20    19    1.12   107     1.05    38.10
FRESNO          TRACE   TRACE     0    0.00     0     0.18    11.23
OAKLAND          0.00    0.00     0    0.59   169     0.35    22.94
REDDING          0.00    0.01     2    0.30    60     0.50    33.52
SACRAMENTO       0.00    0.00     0    1.93   643     0.30    19.87
SFO AIRPORT      0.08    0.08    40    0.04    20     0.20    20.10
SAN FRANCISCO    0.00    0.03    10    0.09    29     0.31    22.28
SAN JOSE         0.00    0.01     4    0.15    58     0.26    15.08
SANTA ROSA       0.00    0.04     9    0.12    27     0.44    31.01
LOS ANGELES      0.29    0.29    81    0.00     0     0.36    15.14
SAN DIEGO        0.10    0.11    48    0.00     0     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.