All Figures

Figure 1: The monthly group sunspot numbers (Hoyt & Schatten 1998) outside the years 1792-1793 are shown by the dashed curve. Open dots with error bars depict the estimated monthly means and their standard errors in 1792-1793 (Table 1). The solid diamonds present the estimated weighted annual averages in 1790-1796 (Table 2), and the grey curve gives the spline fit to them. Big grey dots denote the times of the two naked-eye sunspot observations during the depicted interval (Yau & Stephenson 1988). Vertical solid bars indicate the times of sunspot minima suggested by U01, while the vertical dotted bar denotes the official minimum of cycle 4 based on WSN series.

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In the text

	Figure 2: Samples of histogram distributions of monthly together with the rescaled best-fit Poisson distribution functions. The four panels depict the cases of at least five consecutive zero daily  values within one month (marked as 5*0), and at least one  within the interval [20-25], [45-50] or [90-100], respectively.
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In the text

Figure 3: Top panel: filtered (thin noisy curve) and the 2-year smoothed (grey curve) group sunspot numbers. The thick solid horizontal line and hatched area around it correspond to the weighted sunspot average in 1792-1793 . The dotted horizontal line denotes the filtered sunspot value in 1792-1793. Bottom panel: probability to find a spotless 6-day period within one year (grey curve P(6*0)); combined probability to find both a spotless 6-day period and a day with or within one year (dotted or solid lines, respectively).

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In the text