DAILY SUNSPOT NUMBERS 1866 =============================================================================== Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Yr Day ------------------------------------------------------------------------------- 31 19 21 9 0 23 31 0 10 22 13 10 1866 01 42 14 11 11 0 15 25 0 10 12 15 0 1866 02 29 16 10 13 0 16 22 0 10 13 12 0 1866 03 35 26 21 13 11 12 22 0 10 10 0 0 1866 04 41 34 9 14 0 18 13 14 0 13 0 0 1866 05 40 41 9 19 0 15 11 16 0 11 0 0 1866 06 32 31 11 23 0 19 10 27 0 11 0 0 1866 07 16 27 11 22 12 17 10 30 0 0 0 0 1866 08 10 15 9 24 18 14 10 14 0 0 0 0 1866 09 13 25 15 35 18 18 0 18 0 0 0 0 1866 10 16 48 27 36 27 11 10 13 0 0 0 0 1866 11 21 58 33 34 22 10 11 10 0 0 0 0 1866 12 22 54 33 24 22 0 10 10 0 10 0 0 1866 13 15 45 37 24 22 0 11 10 0 16 0 0 1866 14 47 49 45 12 20 0 10 0 0 9 0 0 1866 15 33 55 22 14 22 22 10 22 0 10 0 0 1866 16 43 58 21 16 25 18 11 18 0 31 0 0 1866 17 49 53 22 15 13 16 10 21 10 30 0 0 1866 18 49 103 21 14 11 16 10 19 10 21 19 0 1866 19 51 118 21 14 22 13 10 16 10 32 19 0 1866 20 34 31 31 10 22 13 10 13 10 31 20 0 1866 21 29 57 28 10 10 22 10 13 10 30 32 0 1866 22 34 22 26 15 10 30 10 20 10 14 32 0 1866 23 36 14 57 18 10 31 0 21 10 14 32 0 1866 24 42 0 35 20 10 15 0 10 10 9 17 11 1866 25 38 13 42 25 11 12 0 10 16 16 19 12 1866 26 22 14 36 23 10 10 0 10 10 10 11 0 1866 27 23 35 39 21 11 23 0 10 21 9 11 14 1866 28 27 36 0 10 38 0 10 29 23 10 0 1866 29 30 12 0 11 29 0 10 24 16 9 0 1866 30 29 10 21 0 10 13 0 1866 31 ------------------------------------------------------------------------------- 31.6 38.4 24.5 17.6 12.9 16.5 9.3 12.7 7.3 14.1 9.0 1.5 Mean ------------------------------------------------------------------------------- Yearly Mean = 16.3