SODANKYLA APRIL 2020 GEOPHYSICAL OBSERVATORY GEOMAGNETIC INDICES K K=9: 1500 nT Day Kz Kh Kd K(hd) Sum Ak K(zhd) Sum Ak 20200401 2210 0243 2311 1244 1210 0123 2 3 1 1 1 2 4 4 18 12 2 3 1 1 1 2 4 4 18 12 20200402 3211 1145 3211 1155 1111 1134 3 2 1 1 1 1 5 5 19 16 3 2 1 1 1 1 5 5 19 16 20200403 4110 2256 4111 2256 2101 1245 4 1 1 1 2 2 5 6 22 22 4 1 1 1 2 2 5 6 22 22 20200404 4000 0032 3101 1123 2101 0123 3 1 0 1 1 1 2 3 12 6 4 1 0 1 1 1 3 3 14 9 20200405 2000 1112 3012 2111 2011 1112 3 0 1 2 2 1 1 2 12 6 3 0 1 2 2 1 1 2 12 6 20200406 1000 1000 1100 2000 1000 1000 1 1 0 0 2 0 0 0 4 2 1 1 0 0 2 0 0 0 4 2 20200407 0000 0144 0011 1053 0100 0033 0 1 1 1 1 0 5 3 12 9 0 1 1 1 1 1 5 4 14 11 20200408 2212 3425 1123 3546 1211 3434 1 2 2 3 3 5 4 6 26 25 2 2 2 3 3 5 4 6 27 26 20200409 2000 2142 2111 1042 2001 1022 2 1 1 1 1 0 4 2 12 7 2 1 1 1 2 1 4 2 14 8 20200410 2001 1321 1011 2321 0000 1321 1 0 1 1 2 3 2 1 11 5 2 0 1 1 2 3 2 1 12 6 20200411 1000 3344 1001 3454 1000 2333 1 0 0 1 3 4 5 4 18 15 1 0 0 1 3 4 5 4 18 15 20200412 1011 3243 2112 3354 0110 2132 2 1 1 2 3 3 5 4 21 16 2 1 1 2 3 3 5 4 21 16 20200413 0001 1144 1111 2133 1100 1122 1 1 1 1 2 1 3 3 13 7 1 1 1 1 2 1 4 4 15 10 20200414 2310 0004 2322 1114 2111 0013 2 3 2 2 1 1 1 4 16 9 2 3 2 2 1 1 1 4 16 9 20200415 4221 0112 6222 1122 3101 1112 6 2 2 2 1 1 2 2 18 15 6 2 2 2 1 1 2 2 18 15 20200416 2101 1212 2110 1221 2010 0210 2 1 1 0 1 2 2 1 10 4 2 1 1 1 1 2 2 2 12 5 20200417 2001 1103 1111 2102 0100 1002 1 1 1 1 2 1 0 2 9 4 2 1 1 1 2 1 0 3 11 5 20200418 2310 1210 2211 1100 2210 0100 2 2 1 1 1 1 0 0 8 3 2 3 1 1 1 2 1 0 11 5 20200419 0000 1110 0000 1110 0000 1100 0 0 0 0 1 1 1 0 3 1 0 0 0 0 1 1 1 0 3 1 20200420 0223 3311 1235 5421 1233 3211 1 2 3 5 5 4 2 1 23 20 1 2 3 5 5 4 2 1 23 20 20200421 0001 2333 1112 3546 1012 2333 1 1 1 2 3 5 4 6 23 23 1 1 1 2 3 5 4 6 23 23 20200422 3310 2123 4312 3222 2311 1021 4 3 1 2 3 2 2 2 19 11 4 3 1 2 3 2 2 3 20 12 20200423 1100 1002 1111 1102 0000 0002 1 1 1 1 1 1 0 2 8 3 1 1 1 1 1 1 0 2 8 3 20200424 3000 1224 2111 2224 1110 1323 2 1 1 1 2 3 2 4 16 9 3 1 1 1 2 3 2 4 17 10 20200425 2210 0000 2321 2100 1110 1000 2 3 2 1 2 1 0 0 11 5 2 3 2 1 2 1 0 0 11 5 20200426 0111 2345 1111 2356 0100 1245 1 1 1 1 2 3 5 6 20 20 1 1 1 1 2 3 5 6 20 20 20200427 3301 2333 5312 3342 2111 2321 5 3 1 2 3 3 4 2 23 17 5 3 1 2 3 3 4 3 24 18 20200428 4300 1223 4112 2212 3101 1111 4 1 1 2 2 2 1 2 15 8 4 3 1 2 2 2 2 3 19 11 20200429 1000 0021 1110 1111 1000 0010 1 1 1 0 1 1 1 1 7 3 1 1 1 0 1 1 2 1 8 3 20200430 2100 0000 2001 0000 1000 0000 2 0 0 1 0 0 0 0 3 1 2 1 0 1 0 0 0 0 4 2