Monthly Ri_hemispheric Report

Provisional daily total and North/South hemispheric sunspot numbers.
Source SIDC (RWC-Belgium)
Frequency Monthly
Format Plain text
Mail header Monthly Ri_hemispheric Report
SIDC code ri_hemispheric

Latest issue

:Issued: 2022 May 01 08:16 UTC
:Product: documentation at http://www.sidc.be/products/ri_hemispheric
#--------------------------------------------------------------------#
# MONTHLY TABLE OF THE TOTAL AND HEMISPHERIC SUNSPOT NUMBERS         #
# from the World Data Center SILSO                                   #
#--------------------------------------------------------------------#


                                     APRIL 2022


        PROVISIONAL INTERNATIONAL NORMALIZED HEMISPHERIC SUNSPOT NUMBERS


               Date             Sn           Sn(N)           Sn(S)
       __________________________________________________________________

                 1             128              63              65
                 2             121              52              69
                 3             118              38              80
                 4              81              20              61
                 5              86              21              65
                 6              74              17              57
                 7              58               4              54
                 8              52              14              38
                 9              38              15              23
                10              21              14               7
                11              11              11               0
                12              14              14               0
                13              33              29               4
                14              41              28              13
                15              47              31              16
                16              64              48              16
                17              85              54              31
                18             101              64              37
                19              96              81              15
                20              99              86              13
                21             114              98              16
                22             110              96              14
                23             128             109              19
                24             127             106              21
                25             118             102              16
                26             132              95              37
                27             132              88              44
                28             135              86              49
                29             107              50              57
                30              51              18              33
       __________________________________________________________________

       MONTHLY MEAN :          84.0            51.7            32.3

       COOPERATING STATIONS :   73              62              62

                 PILOT STATION : Specola Solare Ticinese, Locarno

       __________________________________________________________________

                   Reproduction permitted if source mentionned



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