K-indices Obs Yr MM DD 0 3 6 9 12 15 18 21 MEA 91 05 01 3 5 5 5 5 5 3 5 MEA 91 05 02 5 6 6 6 6 6 4 5 MEA 91 05 03 4 6 4 4 4 3 2 3 MEA 91 05 04 3 2 2 1 2 2 2 2 MEA 91 05 05 2 2 2 3 1 2 1 2 MEA 91 05 06 2 2 2 0 1 1 1 2 MEA 91 05 07 2 2 3 2 1 1 2 2 MEA 91 05 08 3 2 3 2 2 2 3 1 MEA 91 05 09 2 1 2 1 2 3 3 2 MEA 91 05 10 1 2 2 3 3 3 2 3 MEA 91 05 11 2 1 0 1 1 2 1 1 MEA 91 05 12 1 1 1 1 1 1 1 1 MEA 91 05 13 2 2 3 5 4 4 4 3 MEA 91 05 14 2 5 5 6 6 6 3 3 MEA 91 05 15 2 2 3 3 2 1 1 2 MEA 91 05 16 2 1 1 1 2 3 3 4 MEA 91 05 17 5 5 7 5 4 2 2 3 MEA 91 05 18 2 1 0 1 1 2 1 1 MEA 91 05 19 1 1 0 0 0 2 2 2 MEA 91 05 20 2 1 1 1 1 1 1 1 MEA 91 05 21 1 0 1 2 2 3 3 2 MEA 91 05 22 3 4 5 4 2 2 3 3 MEA 91 05 23 4 4 4 3 4 6 3 5 MEA 91 05 24 6 4 6 4 5 3 4 4 MEA 91 05 25 6 7 7 6 5 4 4 3 MEA 91 05 26 3 3 5 4 3 4 3 3 MEA 91 05 27 5 5 3 6 5 3 3 3 MEA 91 05 28 6 5 4 5 4 4 5 5 MEA 91 05 29 6 5 5 4 4 3 3 4 MEA 91 05 30 3 3 4 5 3 3 2 3 MEA 91 05 31 4 4 5 7 7 7 4 3