DAILY SUNSPOT NUMBERS 1821 =============================================================================== Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Yr Day ------------------------------------------------------------------------------- 20 19 0 6 0 0 0 0 24 0 0 1821 01 0 16 0 0 0 0 25 0 0 1821 02 21 16 0 15 0 0 0 0 20 0 0 1821 03 15 0 15 0 0 0 0 0 0 1821 04 0 0 0 0 0 0 0 0 16 0 0 1821 05 0 0 0 0 0 0 0 0 15 0 0 1821 06 0 0 0 0 0 0 15 0 0 0 0 1821 07 25 0 0 0 0 0 0 0 0 0 0 1821 08 0 0 0 0 0 15 0 0 0 0 1821 09 25 0 20 0 0 0 15 0 0 0 0 1821 10 0 15 0 0 0 15 0 0 0 0 1821 11 0 16 17 0 0 0 0 0 0 0 1821 12 15 0 17 17 0 0 0 16 0 15 0 0 1821 13 0 0 0 18 0 19 0 23 0 0 1821 14 0 0 0 0 17 0 0 15 0 0 1821 15 0 0 0 0 17 15 0 15 0 0 1821 16 0 0 0 0 17 0 1821 17 0 0 0 15 0 0 21 0 24 0 1821 18 0 16 0 0 25 15 0 35 23 0 1821 19 0 16 0 0 0 0 35 20 0 1821 20 0 0 0 0 15 0 0 38 27 0 1821 21 0 16 0 0 0 0 33 0 1821 22 0 0 0 0 0 0 33 28 8 1821 23 0 0 0 0 0 16 33 21 0 1821 24 0 15 0 0 0 20 16 0 0 1821 25 0 0 0 0 0 21 16 0 0 1821 26 20 15 21 0 0 0 0 21 0 0 1821 27 45 0 30 0 0 0 0 17 16 0 0 1821 28 27 0 20 0 0 0 0 32 0 0 1821 29 31 0 30 0 0 0 0 32 32 0 0 1821 30 28 0 0 0 0 0 1821 31 ------------------------------------------------------------------------------- 21.5 4.2 5.7 9.2 1.7 1.8 2.5 4.8 4.4 18.8 4.4 0.2 Mean ------------------------------------------------------------------------------- Yearly Mean = 6.6