SIDC-NEWS

:Issued: 2012 Apr 07 0336 UTC
:Product: documentation at http://www.sidc.be/products/qua
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# SIDC-NEWS: DEFINITIVE INTERNATIONAL AND HEMISPHERIC SUNSPOT        #
# NUMBERS from the SIDC (RWC-Belgium)                                #
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   SIDC DEFINITIVE INTERNATIONAL AND HEMISPHERIC SUNSPOT NUMBERS FOR 2011

                OCTOBER               NOVEMBER               DECEMBER   
           _________________      _________________      _________________

  Date      Ri     Rn     Rs       Ri     Rn     Rs       Ri     Rn     Rs 

    1       83     73     10       87     74     13       86     62     24
    2       83     75      8       89     71     18       85     58     27
    3       79     64     15       87     67     20      103     71     32
    4       90     67     23       69     52     17      108     69     39
    5       70     41     29       79     55     24      101     52     49
    6       70     37     33      101     69     32      101     52     49
    7       62     34     28      120     86     34       88     50     38
    8       48     20     28      119     79     40      106     59     47
    9       55     30     25      123     76     47       76     45     31
   10       63     39     24      118     69     49       68     38     30
   11       87     45     42      113     59     54       62     34     28
   12      102     59     43      109     51     58       51     32     19
   13      113     68     45      113     60     53       54     33     21
   14      119     76     43      114     76     38       52     37     15
   15      104     64     40       98     74     24       38     23     15
   16      108     60     48       87     56     31       50     24     26
   17      123     74     49       84     53     31       60     28     32
   18      109     73     36       92     43     49       67     26     41
   19       99     61     38       89     38     51       77     28     49
   20      128     83     45       95     49     46       72     30     42
   21      136     90     46       88     51     37       73     37     36
   22      122     87     35       96     62     34       69     34     35
   23       94     77     17       99     74     25       69     30     39
   24       91     79     12       91     71     20       56     23     33
   25       77     67     10      110     92     18       65     21     44
   26       73     64      9       91     77     14       78     24     54
   27       65     57      8       86     78      8       76     17     59
   28       71     71      0       68     68      0       73     19     54
   29       66     66      0       94     78     16       75     18     57
   30       72     72      0       92     74     18       62     18     44
   31       67     67      0                              62     18     44
           _________________      _________________      _________________

MEAN :     88.0   62.6   25.4     96.7   66.1   30.6     73.0   35.8   37.2
 
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