Sunspot numbers were lower for the past week, compared to the previous period. The average daily sunspot numbers fell nearly 11 points to 16.1. Sunspot numbers for June 17-23 were 14, 16, 28, 13, 14, 14 and 14, with a mean of 16.1. The 10.7 cm flux was 70.4, 70.5, 68.9, 70, 72, 73.3 and 74, with a mean of 71.3. The estimated planetary A indices were 10, 5, 4, 3, 5, 6 and 4, with a mean of 5.3. ...
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