Stanford Mean Solar Magnetic Field (microTesla) 1993 Jan. Feb. March April May June July Aug. Sept. Oct. Nov. Dec. day 01 . -8 1 -1 4 -81 -32 14 . 37 35 45 02 -33 -25 -30 -11 -29 -84 -12 30 -5 37 20 32 03 -28 . -38 -11 . -56 -2 20 -10 27 1 6 04 -22 -61 -44 -25 -86 . 13 8 -14 38 5 10 05 . -52 -56 -38 -85 3 34 -7 9 . -15 24 06 . . -51 -63 -83 . 30 -3 20 48 -12 23 07 . . -58 -68 -48 60 26 -2 33 27 7 . 08 . . -40 -59 -14 . 19 -8 46 12 -6 . 09 . -27 . -55 9 56 7 12 45 . . . 10 -38 -30 -25 -37 44 37 -5 37 36 . . . 11 . -28 -41 -14 . 21 -8 42 28 . -8 . 12 . -51 -37 20 75 6 -10 51 18 9 -12 . 13 . -46 -50 44 41 -5 -24 51 -2 . -26 -26 14 -3 -36 -19 59 30 -17 -11 41 -5 -15 -21 . 15 . 21 0 64 7 -16 -2 27 11 -40 -9 -10 16 1 . . 53 -7 -22 46 25 1 . 8 -6 17 . . . . . 0 55 -10 -9 -27 16 . 18 . . 65 13 -12 . 43 -6 -15 -31 -3 -33 19 . . . -1 -26 42 43 -9 -14 -14 14 -24 20 . . 41 -11 -14 70 13 -17 -21 -11 -9 -36 21 . 48 36 -13 3 66 -19 -31 -35 -7 . . 22 67 . 4 -9 19 60 -28 -30 -20 1 -25 -11 23 69 . . . 38 45 -26 -25 -6 -1 -16 0 24 61 -43 -26 20 . -12 -22 -25 3 5 -10 19 25 -14 . 4 1 60 -53 -28 -37 6 -17 -2 . 26 -53 . . 9 . -61 -45 -30 -3 -31 41 . 27 -62 -1 . 18 21 -61 -20 5 -3 -21 . . 28 -44 13 -11 39 -15 -66 -13 27 -2 47 . 57 29 -19 -11 43 -42 -74 -26 26 0 22 . . 30 -28 8 18 . -44 -33 4 5 14 33 31 31 -2 . -75 -2 3 24 .