AFOS product CLISFO
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CDUS46 KMTR 191208
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE IN SAN FRANCISCO                            
508 AM PDT FRI MAY 19 2006

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 18 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         64    202 PM  83    1955  67     -3       68       
  MINIMUM         51    501 AM  41    1933  51      0       60       
  AVERAGE         58                        59     -1       64      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.23 1957   0.01  -0.01     0.15    
  MONTH TO DATE    0.00                      0.25  -0.25     0.96    
  SINCE JUL 1     25.62                     19.87   5.75    26.64    
  SINCE JAN 1     14.89                     13.15   1.74    15.77    
                                                                     
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        7                         6      1        1       
  MONTH TO DATE  101                       127    -26       68       
  SINCE MAR 1    802                       732     70      544       
  SINCE JUL 1   2423                      2668   -245     2166       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE   10                         0     10        1       
  SINCE MAR 1     10                         4      6        6       
  SINCE JAN 1     10                         4      6        6       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED    12.1                                         
                                                                     
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     63           200 PM                                     
 AVERAGE    76                                                       
..........................................................
                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   67        91      1931                    
 MINIMUM TEMPERATURE (F)   51        41      1933                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY 19 2006...........SUNRISE   557 AM PDT   SUNSET   816 PM PDT   
MAY 20 2006...........SUNRISE   556 AM PDT   SUNSET   816 PM PDT   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          


$$




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

PRECIPITATION DATA FOR SELECTED LOCATIONS
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
530 PM PDT THU MAY 18 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     MAY 18        MAY 18       MAY 18   JUN 30
AVERAGES.       HOURS    2006   PON    2005   PON   NORMAL   NORMAL
--------------  -----   -----------   -----------   ------   ------
BAKERSFIELD      0.00    6.55   104    9.20   146     6.31     6.49
EUREKA           0.00   57.47   156   41.06   111    36.89    38.10
FRESNO           0.00   14.20   131   15.83   146    10.87    11.23
OAKLAND          0.00   30.17   133   27.86   123    22.65    22.94
REDDING          0.00   44.39   138   37.87   118    32.22    33.52
SACRAMENTO       0.00   25.21   130   23.63   121    19.45    19.87
SFO AIRPORT      0.00   25.62   129   26.52   134    19.86    20.10
SAN FRANCISCO    0.00   34.01   155   30.59   139    21.97    22.28
SAN JOSE         0.00   22.09   149   24.12   162    14.85    15.08
SANTA ROSA       0.00   44.86   147   36.64   120    30.53    31.01
LOS ANGELES      0.00   12.34    83   37.25   249    14.95    15.14
SAN DIEGO        0.00    4.65    44   22.47   211    10.66    10.77
-------------------------------------------------------------------
PON - PERCENT OF NORMAL FOLLOWS THE JUL 1 - MAY 18 AMOUNTS.
TRACE AMOUNTS ARE LISTED AS TRACE.
SACRAMENTO DATA REFLECTS DOWNTOWN SACRAMENTO.

&&
---------------------------------------------------------------------
TEMPERATURE SUMMARIES FOR SELECTED LOCATIONS
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
530 AM PDT FRI MAY 19 2006

TEMPERATURE CLIMATOLOGY FOR MAY 19 2006.
--------------------------------------------------------------------
               MAY MAY  MAY    HIGHEST    LOWEST     RECORDS SET ON
                18 19    19    SINCE      SINCE          MAY 19
                HI LO  NORMS   JAN 1      JUL 1     HI YEAR  LO YEAR
--------------  -----  -----  ---------  ---------  -------  -------
SAN FRANCISCO   59 50  65 51  86 MAY 14  38 FEB 16  90 1931  45 1876
SFO AIRPORT     64 52  67 51  87 MAY 14  37 MAR 11  91 1931  41 1933
OAKLAND         66 53  69 54  89 MAY 14  37 MAR 11  94 1983  48 1976
OAKLAND AIRPOR  66 54  66 53  86 MAY 14  32 DEC 06  92 1931  40 1933
MOFFETT FIELD   70 57  70 51  88 MAY 14  32 FEB 16  91 1978  42 1950
SAN JOSE        76 57  76 52  88 MAY 15  36 MAR 13  93 1931  40 ----
SANTA ROSA      69  M  75 49  91 MAY 14  28 FEB 21  95 1931  30 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.