On March 6-9, we got a taste of the bad old days from 2008-2009 when there were frequent stretches of 0 sunspots. After March 9, activity picked up and we hope there is no end in sight to the much-welcome sunspots. This week -- March 11-17 -- the average daily sunspot numbers increased from the previous period, from 12.4 to 29.4. Thursday March 18, had a repeat of Wednesday's sunspot number of 28. Sunspot numbers for March 11-17 were 31, 36, 32, 30, 28, 21 and 28, with a mean of 29.4. The 10.7 cm flux was 84.2, 89.6, 91.8, 89.4, 86.4, 85.2 and 86.7, with a mean of 87.6. The estimated planetary A indices were 9, 9, 4, 6, 3, 4 and 7, with a mean of 6. The estimated mid-latitude A indices were 9, 6, 2, 2, 2, 3 and 5, with a mean of 4.1.
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