Stanford Mean Solar Magnetic Field (microTesla)

       2017                                                                               

        Jan.   Feb.  March  April   May    June   July   Aug.   Sept.  Oct.   Nov.   Dec. 
 day
  01    -28      .      2      3     -5     -4     -8      .      0    -23     13      5
  02      .     -6      4      0     -4     -3     -2      .      6    -20     21     -1
  03      .      .      1     -1     -7     -5      3      .     14      0      .      5
  04      .      .     -1     -6     -5     -4      9      .    -21     16      .      7
  05      0      .      5      .     -1      5     13      .    -20     24      5     13

  06      1      .     -7      .      0      1      9      .     15     24     12     12
  07      7      .      4      .     -4     10      0      .     15     24     17     10
  08      .      .      2      .      1      .    -14    -33     24     20      .      5
  09      .      .      3      4      6     15    -27    -24     29     13     13      7
  10      .      .      3      0      3      4    -42     -6     26     10     10      2

  11      5      7      4     12      5     -5    -43      5     22     17      9      7
  12     -5     12     10     12      7    -18    -44     21     17     18      5      8
  13     13     11      9      5      7    -29    -36     24     10     17      1     16
  14      8     12      5      7     -3    -32    -10     26     16      6      5     13
  15     16      .      .      4     -4    -23      8     27     15     -1     10      5

  16     20      7      6      .      .    -11     21     24     12      2      .      5
  17     12      .     13      .    -19      1     24     14      4      5     13     -4
  18      .      .      5      .    -23      9     23     16     -4      6     13    -11
  19      .      .      .    -10    -29     15     17      9     -7      8      7    -17
  20      .      .      .    -12     -5     19      5      2      .     19      .    -17

  21      .      4      0    -14     -1     13      .     10      1     23    -21    -15
  22      .      2     -3    -12     13      6      0      4     14     18    -21    -16
  23      .     -6     -5     -6     19     -1      1      4     17     33    -22    -11
  24     -5    -11      .      .     14      6      0      6     22     -7    -18      .
  25     -3    -18    -10      0      6     -2     -3      6     21    -24    -17    -11

  26      2    -15      .      .     -6      0     -7      4     12    -23      .     -4
  27    -12     -9     -1      4    -11     -2    -13     15     -7    -21     -9      2
  28    -21     -5      1     -1     -5     -3    -10     20    -26    -22      0      0
  29    -21             0     -1     -3    -11      .     19    -22    -24      6     -3
  30    -14            -3     -9     -2     -9      .     22    -21     -8     10      9
  31     -7             3             2             .     10             6           -13