Mekrijärvi  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 
 
2023 12  1	  25  13  12     8   8   7     5   6   4    46  24 105   129 129  48    29  15 144    93  26 130   113  44  26 
2023 12  2	  36  59  37    19  22   9    10   5   4     2   2   7     5   2   2     7  12   3     1   2   3    12   3   7