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Table 1

Triennial statistics of sunspot day occurrence for the three models considered here (see text for definition).

ML MO MS
Year N A N T F low F med F up N T F low F med F up N T F low F med F up
1639 9 10 0.636 0.851 0.965 10 0.636 0.851 0.965 9 0.742 0.932 0.994
1642 135 137 0.956 0.980 0.992 168 0.752 0.800 0.843 106 0.956 0.980 0.992
1645 99 171 0.521 0.576 0.633 167 0.533 0.590 0.647 99 0.972 0.992 0.998
1648 0 0 N/A N/A N/A 0 N/A N/A N/A 0 N/A N/A N/A
1651 2 20 0.039 0.123 0.267 20 0.039 0.123 0.267 3 0.248 0.613 0.900
1654 31 201 0.120 0.154 0.195 355 0.068 0.087 0.109 33 0.827 0.921 0.974
1657 17 170 0.070 0.100 0.140 52 0.234 0.329 0.437 27 0.471 0.622 0.759
1660 66 499 0.114 0.131 0.151 501 0.114 0.131 0.150 130 0.439 0.506 0.573
1663 0 168 0 0.003 0.015 0 N/A N/A N/A 4 0.010 0.128 0.448
1666 1 320 0.001 0.003 0.011 1 0.223 0.706 0.974 48 0.006 0.032 0.089
1669 0 541 0 0 0.003 0 N/A N/A N/A 109 0 0.005 0.024
1672 47 625 0.064 0.074 0.086 459 0.086 0.101 0.121 262 0.148 0.179 0.215
1675 47 561 0.070 0.082 0.097 196 0.197 0.239 0.287 108 0.363 0.434 0.509
1678 30 538 0.045 0.055 0.068 415 0.057 0.071 0.089 121 0.193 0.248 0.312
1681 30 516 0.047 0.057 0.070 738 0.034 0.039 0.047 146 0.159 0.205 0.260
1684 72 683 0.093 0.104 0.116 264 0.235 0.272 0.312 186 0.334 0.386 0.440
1687 42 697 0.051 0.058 0.068 432 0.080 0.096 0.116 190 0.179 0.221 0.268
1690 12 839 0.011 0.013 0.016 362 0.022 0.032 0.047 374 0.022 0.031 0.046
1693 0 786 0 0 0.001 0 N/A N/A N/A 298 0 0.001 0.007
1696 4 944 0.004 0.004 0.005 311 0.006 0.013 0.025 534 0.004 0.006 0.012
1699 9 945 0.008 0.008 0.010 198 0.028 0.046 0.072 528 0.011 0.016 0.024
1702 122 935 0.123 0.129 0.136 752 0.150 0.161 0.174 535 0.206 0.226 0.248
1705 332 883 0.363 0.374 0.386 880 0.364 0.375 0.387 511 0.623 0.647 0.673
1708 252 852 0.283 0.294 0.306 903 0.268 0.278 0.288 450 0.530 0.558 0.587
1711 6 725 0.005 0.006 0.011 257 0.013 0.023 0.040 139 0.024 0.045 0.078
1714 128 698 0.169 0.182 0.196 631 0.185 0.201 0.219 160 0.746 0.796 0.841

Notes. Columns are: #1 – central year of the triennial interval; #2 – number of active days NA within the interval; #3, 7 and 11 – number of total observational days NT considered in the three models, respectively; #4, 8 and 12 – lower 90% bound of the active day fraction, for the tree models, respectively; #5, 9 and 13 – median active day fraction, for the tree models, respectively; #6, 10 and 14 – upper 90% bound of the active day fraction, for the tree models, respectively.

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