Data For Total Sunspot NumberDaily total sunspot number [111818 - now] : csv txt
Monthly mean total sunspot number [11749 - now] : csv txt
13-month smoothed monthly total sunspot number [11749 - now] : csv txt
Yearly mean total sunspot number [1700 - now] : csv txt
Data policy :
These SILSO images and data were downloaded as public data from SILSO's and any public use must credit:
(SILSO data/image, Royal Observatory of Belgium, Brussels)
I credit all .cvs , .txt , and image files to : (SILSO data/image, Royal Observatory of Belgium, Brussels) .
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