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: 2021 Jul 02 1407 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 2021

                JANUARY               FEBRUARY                MARCH  
           _________________      _________________      _________________

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

    1       24      0     24        0      0      0       10      0     10
    2       17      0     17        9      9      0       16      0     16
    3        0      0      0        7      7      0       35      0     35
    4        0      0      0        0      0      0       30      0     30
    5        0      0      0        0      0      0       13      0     13
    6        0      0      0        0      0      0        7      0      7
    7        0      0      0        0      0      0       21      0     21
    8        0      0      0        2      0      2       14      0     14
    9        0      0      0        2      0      2       15      9      6
   10        0      0      0        0      0      0       17     11      6
   11        0      0      0        0      0      0       22     11     11
   12        0      0      0        0      0      0       14     14      0
   13        0      0      0        0      0      0       11     11      0
   14        3      0      3        0      0      0       23     11     12
   15       14      0     14        0      0      0       24      7     17
   16       12      0     12        0      0      0       19     19      0
   17       14      0     14        0      0      0       13     13      0
   18       12      0     12       10     10      0       13     13      0
   19       20      0     20        9      9      0       13     13      0
   20       21      0     21        9      9      0       11     11      0
   21       25      0     25       10     10      0        8      8      0
   22       35     10     25       16     12      4       22     22      0
   23       32     10     22       36     18     18       27     27      0
   24       23      9     14       38     22     16       30     30      0
   25       27     14     13       34     22     12       27     27      0
   26       17      5     12       18     18      0       25     25      0
   27       20      9     11       17     17      0       19     19      0
   28        7      7      0       13     13      0       12     12      0
   29        0      0      0                              12     12      0
   30        0      0      0                               9      9      0
   31        0      0      0                               0      0      0
           _________________      _________________      _________________

MEAN :     10.4    2.1    8.3      8.2    6.3    1.9     17.2   10.8    6.4



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