Ranua        MAXIMUM TIME DERIVATIVE (0.01 nT/sec) OF HORIZONTAL COMPONENT (X,Y)
 
Time (UT)	    01...03       04...06       07...09       10...12       13...15       16...18       19...21       22...24 
 
2021 12  1	  24  18  27    37  18  22    13  15  31    24  20  20    26  23  29    43  31  14    75  58 123    65  21  43 
2021 12  2	  11   7   5     4   5   3    10  16  11     7   4   4     4   5   5    11  11   7    20   9  18    15   6   5 
2021 12  3	   4   2   5     5   3  11     2   6   7     9   4   9     7   7  11    34  13  42    74  20 103    10   3   3 
2021 12  4	   8  18  23    14   8   6     5   9   5     9   9   7     5   4   5     3   4   4     3  18   6     3   5   4