AFOS product CLISFO
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CDUS46 KMTR 011205
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE IN SAN FRANCISCO                            
505 AM PDT TUE MAY 1 2007


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 30 2007...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1927 TO 2007


 WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         69        MM  90    1996  66      3       73        
                                      1922                          
  MINIMUM         50        MM  41    1946  49      1       52        
  AVERAGE         60                        57      3       63      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.71 1983   0.02  -0.02     0.00    
  MONTH TO DATE    1.14                      1.18  -0.04     4.01    
  SINCE JUL 1     11.54                     19.62  -8.08    25.62    
  SINCE JAN 1      6.20                     12.90  -6.70    14.89    
                                                                     
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        5                         8     -3        2       
  MONTH TO DATE  262                       266     -4      275       
  SINCE MAR 1    538                       605    -67      701       
  SINCE JUL 1   2461                      2541    -80     2322       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    0                         4     -4        0       
  SINCE MAR 1      1                         4     -3        0       
  SINCE JAN 1      1                         4     -3        0       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    40   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    14.5                                         

                                                                      
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    83          1200 AM                                     
 LOWEST     37           300 PM                                     
 AVERAGE    60                                                       

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

                                                                      
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   66        89      1947                    
 MINIMUM TEMPERATURE (F)   49        44      1988                    

                                                                      
SUNRISE AND SUNSET                                                   
MAY  1 2007...........SUNRISE   614 AM PDT   SUNSET   759 PM PDT   
MAY  2 2007...........SUNRISE   613 AM PDT   SUNSET   800 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 TUE MAY 01 2007

TEMPERATURE CLIMATOLOGY FOR MAY 01 2007.
--------------------------------------------------------------------
               APR MAY  MAY    HIGHEST    LOWEST     RECORDS SET ON
                30 1     01    SINCE      SINCE          MAY 01
                HI LO  NORMS   JAN 1      JUL 1     HI YEAR  LO YEAR
--------------  -----  -----  ---------  ---------  -------  -------
SAN FRANCISCO   66 49  65 51  80 MAR 11  37 JAN 16  88 1996  43 1899
SFO AIRPORT     69 50  65 49  78 MAR 11  32 JAN 14  89 1947  41 1937
OAKLAND         74 50  68 52  80 APR 27  33 JAN 14  85 1990  47 1988
OAKLAND AIRPOR  70 51  64 50  80 APR 28  28 JAN 16  90 1947  40 1948
MOFFETT FIELD   77 50  69 50  83 APR 27  28 JAN 14  91 1947  39 1948
SAN JOSE        77 53  75 50  89 APR 28  30 JAN 13  96 1947  36 UNK 
SANTA ROSA      79  M  71 47  83 APR 28  22 JAN 14  92 1947  34 1948
--------------------------------------------------------------------
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 APR 30 2007

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 30        APR 30       APR 30   JUN 30
AVERAGES.       HOURS    2007   PON    2006   PON   NORMAL   NORMAL
--------------  -----   -----------   -----------   ------   ------
BAKERSFIELD      0.00    3.06    50    6.55   107     6.13     6.49
EUREKA           0.00   34.16    95   57.46   160    35.83    38.10
FRESNO           0.00    5.98    56   14.20   134    10.61    11.23
OAKLAND          0.00   13.66    61   30.17   136    22.26    22.94
REDDING          0.00   21.22    68   44.39   142    31.17    33.52
SACRAMENTO       0.00   11.52    60   25.21   132    19.09    19.87
SFO AIRPORT      0.00   11.54    59   25.62   131    19.61    20.10
SAN FRANCISCO    0.00   16.46    76   34.01   157    21.61    22.28
SAN JOSE         0.00    9.20    63   22.09   152    14.54    15.08
SANTA ROSA       0.00   20.14    67   44.86   150    29.99    31.01
LOS ANGELES      0.00    3.21    22   12.34    84    14.77    15.14
SAN DIEGO        0.00    3.85    37    4.65    44    10.48    10.77
-------------------------------------------------------------------
PON - PERCENT OF NORMAL FOLLOWS THE JUL 1 - APR 30 AMOUNTS.
TRACE AMOUNTS ARE LISTED AS TRACE.
SACRAMENTO DATA REFLECTS DOWNTOWN SACRAMENTO.