Date | Measured solar flux |
Sunspot number | Planetary A index | K indices (3-hour intervals) |
Solar wind speed range (km/s) |
Number of flares |
|||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
STAR SDO | NOAA | STAR ap avg |
WDC | Daily ap range |
Planetary (WDC) |
Boulder | C | M | X | ||||
2K | 1K | ||||||||||||
20120131 | 116.5 | 117 | 95 | 71 | 3.0 | 3 | 0-9 | 21100001 | 22110111 | 309-381 | |||
20120130 | 114.4 | 141 | 97 | 76 | 7.8 | 8 | 0-22 | 00100344 | 00101332 | 302-435 | 1 | ||
20120129 | 109.8 | 116 | 74 | 74 | 5.9 | 6 | 0-12 | 32210121 | 23221011 | 355-447 | |||
20120128 | 114.5 | 93 | 72 | 34 | 6.1 | 6 | 2-12 | 22111023 | 21112212 | 377-481 | 2 | ||
20120127 | 128.6 | 71 | 59 | 39 | 7.0 | 7 | 2-15 | 22322210 | 12422231 | 380-555 | 4 | 1 | |
20120126 | 128.2 | 123 | 89 | 55 | 7.1 | 7 | 2-12 | 20222322 | 21222322 | 388-521 | 9 | ||
20120125 | 126.4 | 94 | 65 | 68 | 16.1 | 16 | 6-32 | 34343222 | 34342221 | 506-625 | |||
20120124 | 135.7 | 134 | 91 | 105 | 17.8 | 18 | 5-32 | 42112444 | 32221453 | 347-732 | 3 | ||
20120123 | 144.3 | 170 | 106 | 108 | 11.5 | 12 | 0-48 | 54211101 | 43201111 | 350-454 | 2 | 2 | |
20120122 | 141.0 | 199 | 127 | 103 | 24.3 | 24 | 3-39 | 11444455 | 11445343 | 298-441 | 8 | ||
20120121 | 141.6 | 155 | 101 | 102 | 6.5 | 6 | 4-9 | 22122122 | 22132222 | 287-319 | 3 | ||
20120120 | 141.2 | 180 | 115 | 77 | 3.9 | 4 | 0-7 | 22100110 | 21211211 | 284-374 | 2 | ||
20120119 | 150.9 | 155 | 113 | 117 | 2.3 | 2 | 0-5 | 01010100 | 01010211 | 330-377 | 3 | 1 | |
20120118 | 148.1 | 184 | 112 | 122 | 3.8 | 4 | 2-9 | 20011111 | 10012221 | 353-431 | 3 | 1 | |
20120117 | 139.0 | 231 | 153 | 152 | 5.9 | 6 | 3-15 | 32111121 | 21122211 | 372-511 | 4 | 1 | |
20120116 | 139.7 | 236 | 152 | 120 | 9.0 | 9 | 4-18 | 21123231 | 21124332 | 353-544 | 9 | ||
20120115 | 133.5 | 208 | 163 | 141 | 4.1 | 4 | 0-12 | 01000123 | 01002212 | 326-416 | 4 | ||
20120114 | 132.3 | 215 | 161 | 145 | 1.8 | 2 | 0-3 | 10100000 | 01102211 | 349-460 | 6 | 1 | |
20120113 | 124.1 | 131 | 87 | 81 | 7.5 | 8 | 2-18 | 33310101 | 13321221 | 445-583 | 3 | ||
20120112 | 116.8 | 113 | 55 | 45 | 5.4 | 5 | 0-9 | 21011122 | 21022212 | 376-505 | 3 | ||
20120111 | 120.1 | 105 | 42 | 64 | 6.0 | 6 | 3-12 | 23111222 | 12111221 | 440-532 | 9 | ||
20120110 | 128.8 | 116 | 61 | 63 | 5.0 | 5 | 3-9 | 11122121 | 01032211 | 420-464 | 1 | ||
20120109 | 142.3 | 130 | 82 | 90 | 7.4 | 7 | 5-12 | 22221312 | 22222222 | 413-460 | 4 | ||
20120108 | 135.8 | 152 | 69 | 90 | 4.3 | 4 | 2-7 | 12100121 | 12212211 | 412-461 | 10 | ||
20120107 | 140.5 | 177 | 121 | 92 | 6.4 | 6 | 4-12 | 32111113 | 21122222 | 405-463 | 6 | ||
20120106 | 135.5 | 187 | 111 | 118 | 6.3 | 6 | 3-12 | 11111233 | 11021322 | 417-479 | 4 | ||
20120105 | 141.3 | 152 | 121 | 99 | 4.9 | 5 | 3-12 | 11113121 | 10213321 | 292-337 | 2 | ||
20120104 | 136.2 | 184 | 114 | 101 | 2.0 | 2 | 0-6 | 20001001 | 10002211 | 321-417 | 2 | ||
20120103 | 134.6 | 175 | 114 | 95 | 8.8 | 9 | 4-22 | 34211211 | 34220211 | 349-559 | |||
20120102 | 134.7 | 158 | 101 | 83 | 3.6 | 4 | 0-9 | 00001122 | 10113222 | 344-471 | 3 | ||
20120101 | 130 | 109 | 82 | 50 | 4.5 | 4 | 2-6 | 21102211 | 11102221 | 347-380 | 3 | ||
Average | 132.4 | 152.0 | 100.2 | 89.7 | 7.15 | 7.14 | |||||||
International sunspot number: 58.3 | |||||||||||||
K factor | 0.38 | 0.58 | 0.65 |
Solar wind speed is preliminary. The source for Ap and Kp is Potsdam (WDC). Flare enhanced and erroneous solar flux measurements are replaced by other same day measurements (QC).