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  • latest051012

    05/11/2012 | The K7RA Solar Update

    The average daily solar flux for the past week rose slightly, 116.2 to 119, but the average daily sunspot numbers declined more than 14 points (about 13 percent), to 92.6. Sunspot numbers for May 3-9 were 107, 101, 88, 104, 79, 90 and 79, with a mean of 9
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  • latest020212

    02/03/2012 | The K7RA Solar Update

    Here are some yearly averages that we have neglected at the beginning of the year. These are the average daily sunspot numbers for whole calendar years, from 1994-2011: 48.1, 28.7, 13.2, 30.7, 88.7, 136.3, 173, 170.3, 176.7, 109.2, 68.6, 48.9, 26.1, 12.8
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  • latest110311

    11/04/2011 | The K7RA Solar Update

    First, a few updates on Solar Cycle 24. As you might suspect, the average of daily sunspot numbers for October shot way up -- from 55.5 in June, to 67.2 in July, 66 in August, 106.4 in September and 123.6 in October. Our three month moving average of dail
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