Stanford Mean Solar Magnetic Field (microTesla) 2016 Jan. Feb. March April May June July Aug. Sept. Oct. Nov. Dec. day 01 59 27 -23 -20 9 -13 8 37 45 29 8 4 02 47 -5 -33 -8 9 -20 11 35 36 18 12 -6 03 68 -16 . 9 5 -28 25 36 36 . 14 -15 04 . -31 . 17 -7 -6 34 42 27 2 0 -34 05 . -13 . 15 -12 6 36 40 5 3 -8 . 06 . 4 4 15 . 16 33 35 1 0 -21 -37 07 0 9 16 -2 . 29 34 26 -3 -3 -24 . 08 . 9 16 . -18 32 37 23 -4 -8 -29 . 09 . 22 21 . -7 29 41 8 -4 -21 -23 -5 10 . 23 . . 7 26 36 -6 -12 -27 -11 . 11 . -1 -3 8 26 26 29 -14 -11 -26 . . 12 16 -9 -4 . 38 31 18 -21 -9 -21 1 . 13 27 -22 . 40 40 34 12 -25 -11 -17 15 . 14 . -27 -33 46 28 28 -13 -14 -8 . 25 . 15 -18 -32 -24 42 18 12 -13 -10 -11 0 23 . 16 . -29 -10 27 24 -5 -15 -12 -19 . 26 13 17 . -15 18 27 17 -32 -22 -8 -19 22 28 17 18 -25 4 15 24 3 -41 -14 -8 -8 25 27 17 19 . 6 22 32 -9 -46 -7 -13 2 33 . 17 20 -21 15 4 32 -22 -47 -4 -15 11 34 . 16 21 -4 17 34 34 -40 -38 -6 -13 23 . 28 14 22 . 18 30 25 -56 -23 -1 -8 34 . 29 6 23 23 26 42 6 -57 -4 -6 3 38 . 28 . 24 8 40 42 -21 -42 3 -13 15 33 . 22 6 25 12 42 43 -29 -33 6 -18 19 34 29 . 6 26 23 49 30 -32 -21 2 -20 30 37 29 . 13 27 37 41 1 -31 -6 -9 -11 27 45 . 5 10 28 54 38 -28 -29 7 -14 11 21 46 . . -1 29 . 0 -38 -15 10 -23 22 17 37 3 8 -12 30 50 -33 1 6 -19 28 30 34 -1 . -4 31 48 -26 -4 35 46 6 -23