| Date | Solar flux at Earth | Sunspot number | Planetary A index | K indices (3-hour intervals) | Min-max solar wind speed (km/sec) | Number of flares (events) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| STAR | NOAA | STAR | NOAA | Daily low - high | Planetary | Boulder | C | M | X | |||
| 20081231 | 69.3 | 0 | 0 | 10.0 | 10 | 5-15 | 33332122 | 23442211 | 346-578 | |||
| 20081230 | 68.4 | 0 | 0 | 0.8 | 1 | 0-6 | 00000002 | 00000000 | 270-354 | |||
| 20081229 | 69.8 | 0 | 0 | 0.3 | 0 | 0-3 | 00000000 | 01010000 | 270-369 | |||
| 20081228 | 69.8 | 0 | 0 | 1.5 | 2 | 0-4 | 10001100 | 10011101 | 335-372 | |||
| 20081227 | 69.4 | 0 | 0 | 1.1 | 1 | 0-4 | 10000001 | 10001100 | 315-352 | |||
| 20081226 | 69.2 | 0 | 0 | 0.6 | 1 | 0-3 | 10000000 | 10101200 | 348-440 | |||
| 20081225 | 69.3 | 0 | 0 | 3.3 | 3 | 0-7 | 00012111 | 00022221 | 436-494 | |||
| 20081224 | 69.4 | 0 | 0 | 5.4 | 5 | 3-12 | 23121111 | 23232211 | 450-546 | |||
| 20081223 | 68.6 | 0 | 0 | 8.9 | 9 | 4-15 | 23122232 | 13122222 | 413-572 | |||
| 20081222 | 67.7 | 0 | 0 | 4.0 | 4 | 0-18 | 01000321 | 11000322 | 273-513 | |||
| 20081221 | 69 | 0 | 0 | 1.5 | 2 | 0-5 | 10100000 | 11200111 | 269-346 | |||
| 20081220 | 69.1 | 0 | 0 | 1.9 | 2 | 0-3 | 10001001 | 10111210 | 275-348 | |||
| 20081219 | 69.2 | 0 | 0 | 2.6 | 3 | 0-5 | 00111101 | 01122121 | 273-320 | |||
| 20081218 | 68.4 | 0 | 0 | 1.3 | 1 | 0-3 | 00000011 | 00110111 | 301-348 | |||
| 20081217 | 68.8 | 0 | 0 | 4.9 | 5 | 0-9 | 22101211 | 32211211 | 312-417 | |||
| 20081216 | 69.4 | 0 | 0 | 3.8 | 4 | 0-9 | 01101012 | 11111122 | 332-364 | |||
| 20081215 | 68.9 | 0 | 0 | 1.0 | 1 | 0-3 | 10000001 | 11010001 | 308-346 | |||
| 20081214 | 68.8 | 0 | 0 | 0.4 | 0 | 0-3 | 10000000 | 10000100 | 324-420 | |||
| 20081213 | 69.7 | 0 | 0 | 1.3 | 1 | 0-5 | 11000000 | 11010010 | 350-509 | |||
| 20081212 | 71.0 | 0 | 14 | 2.1 | 2 | 0-4 | 10011101 | 11012101 | 351-444 | |||
| 20081211 | 70.2 | 13 | 12 | 3.0 | 3 | 0-5 | 11111101 | 11211211 | 327-452 | 1 | ||
| 20081210 | 70.8 | 15 | 13 | 2.1 | 2 | 0-6 | 00001102 | 00011211 | 316-367 | |||
| 20081209 | 68.7 | 0 | 0 | 0.3 | 0 | 0-2 | 00000000 | 00000000 | 344-426 | |||
| 20081208 | 68.5 | 0 | 0 | 5.4 | 5 | 0-15 | 01112320 | 11011110 | 395-536 | |||
| 20081207 | 69.0 | 0 | 0 | 5.9 | 6 | 0-15 | 02132212 | 13232211 | 479-562 | |||
| 20081206 | 69.1 | 0 | 0 | 7.4 | 7 | 0-15 | 23330210 | 45422431 | 454-556 | |||
| 20081205 | 68.8 | 0 | 0 | 9.5 | 10 | 4-27 | 11242321 | 12252323 | 345-476 | |||
| 20081204 | 69.6 | 0 | 0 | 6.3 | 6 | 2-12 | 13122101 | 03232211 | 348-548 | |||
| 20081203 | 69.2 | 0 | 0 | 3.8 | 4 | 2-7 | 01101212 | 11111321 | 271-488 | |||
| 20081202 | 68.9 | 0 | 0 | 0.3 | 0 | 0-2 | 00000000 | 00000100 | 270-278 | |||
| 20081201 | 68.1 | 0 | 0 | 0.0 | 0 | 0 | 00000000 | 00000000 | 273-345 | |||
This page is normally updated once a day by Jan Alvestad. All values are preliminary.