SIDC-NEWS

Definitive international and hemisperic sunspot numbers.
Source SIDC (RWC-Belgium)
Frequency Quarterly
Format Plain text
Mail header SIDC-NEWS
SIDC code qua

Latest issue

:Issued: 2018 Jan 08 1534 UTC
:Product: documentation at http://www.sidc.be/products/qua

#--------------------------------------------------------------------#
# SILSO-NEWS: DEFINITIVE TOTAL AND HEMISPHERIC SUNSPOT               #
#             NUMBERS from the World Data center SILSO               #
#--------------------------------------------------------------------#



       SILSO DEFINITIVE TOTAL AND HEMISPHERIC SUNSPOT NUMBERS FOR 2017

                 JULY                  AUGUST               SEPTEMBER
           _________________      _________________      _________________

  Date      Sn  Sn(N)  Sn(S)       Sn  Sn(N)  Sn(S)       Sn  Sn(N)  Sn(S)

    1       23     23      0       13      0     13       59     34     25
    2       13     13      0       13      0     13       56     31     25
    3        0      0      0       13      0     13      105     51     54
    4        0      0      0       14      0     14      112     47     65
    5        7      0      7       13      0     13      119     60     59
    6       16      0     16       13      0     13      100     63     37
    7       26      0     26       12      0     12       97     60     37
    8       31      0     31       13      0     13       88     59     29
    9       43      8     35       12      0     12       62     41     21
   10       45      9     36       14      0     14       40     40      0
   11       38      0     38       12      0     12       29     29      0
   12       61     24     37       13      0     13       11     11      0
   13       59     23     36       12      0     12       23     13     10
   14       52     20     32       13     13      0       12     12      0
   15       33     13     20       22     22      0       12     12      0
   16       21      5     16       33     33      0       13     13      0
   17       22      9     13       45     45      0       14     14      0
   18        0      0      0       45     45      0       13     13      0
   19        0      0      0       50     50      0       11     11      0
   20        0      0      0       60     60      0       21     11     10
   21        0      0      0       63     63      0       22     11     11
   22        0      0      0       63     63      0       21     10     11
   23        0      0      0       69     69      0       12      0     12
   24        0      0      0       54     54      0       23      0     23
   25       12     12      0       53     53      0       36     12     24
   26       12     12      0       48     48      0       39     12     27
   27        0      0      0       38     38      0       37     12     25
   28       11     11      0       23     23      0       42     12     30
   29       12     12      0       40     30     10       42     12     30
   30       15     15      0       51     40     11       40     13     27
   31        0      0      0       73     47     26                       
           _________________      _________________      _________________

MEAN :     17.8    6.7   11.1     32.6   25.7    6.9     43.7   24.0   19.7



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