Stanford Mean Solar Magnetic Field (microTesla)

       1986                                                                               

        Jan.   Feb.  March  April   May    June   July   Aug.   Sept.  Oct.   Nov.   Dec. 
 day
  01      .      .      3     10      .     -6     -6      3      3     -7    -11     -1
  02      .      .      0     -3     -7     -2     -5      8      5     -7    -11    -10
  03      .      .     -7    -14      0      1     -7      4     -6     -6    -12    -11
  04      .     15     -7    -16      2     -1      2     11     -6      1     -5      .
  05     -3     15      3      .      .     -4      .     10     -3     -7    -10      0

  06      1      2    -11      .      2     -4      .      0      0     -6     -7     20
  07     14     -8      .      .      2      0     -1     -3     -2    -12     -7      4
  08      3    -27      .      6      0      6     10     -5     -1    -15     -5     -9
  09     11    -14      .      5      1      4      4     -4     -9    -11     -4     -4
  10     12      4      .      5     -5     11      1     -2    -14    -15     -2     -5

  11      0      .      .      3      2      5     -5      1    -16    -18     -2      .
  12    -19      .      5      5      8     11      0      3    -17    -10     -2      4
  13    -14      9     11      3     13      4      3     -1    -18     -8     -5      .
  14      .      .      8      8     13      3      5    -12    -19     -9      .      .
  15      .      .      .      7      8     -3      5    -17    -15    -10      .      .

  16    -12      .     14      .     10      6      2    -21    -10    -10    -21     14
  17     21      .     11      8      .      6     -3    -23    -11    -15      .     23
  18      .      .     12      5     -2      6     -2    -21    -11    -21      6      .
  19     24      .     12      6      3      6     -7    -18    -13    -10     13      .
  20      .      9     12      2      9      6    -23    -13    -14     -7     19     22

  21     16     18     10     -1      7     -4    -21    -14    -15      1     34      6
  22     11     10      8     -5      6    -19    -26    -13    -13      7     29      .
  23     12      9      5     -4      9    -23    -16    -15     -9      .     15      9
  24     15      1      2      1     10    -16    -12     -8      .     33     -3      8
  25     10      1     -1      7      0    -11     -8    -16      1     14      3      0

  26      2      0     -3     13    -22     -8     -7     -9      4     11     -9      .
  27     -3     -4      0     13    -31     -2     -4     -9      6      6     -8      1
  28      .     -4      .     10    -25     -4     -5     -8      9      .      0      9
  29      .            14     -3    -14     -3     -3     -3      3     -1    -12      3
  30      .             .    -14     -8     -3    -22      5     -3     -6     -2      5
  31      .            15            -4             2     12            -9             .