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 | |||
20091231 | 79.9 | 18 | 18 | 0.8 | 1 | 0-2 | 00000000 | 00110100 | 269-278 | |||
20091230 | 76.9 | 19 | 15 | 0.0 | 0 | 0-0 | 00000000 | 00010001 | 269-271 | |||
20091229 | 74.7 | 21 | 17 | 0.5 | 0 | 0-2 | 00000000 | 00000000 | 269-345 | |||
20091228 | 75.8 | 16 | 17 | 0.9 | 1 | 0-3 | 00010000 | 00010100 | 326-349 | |||
20091227 | 76.8 | 19 | 17 | 2.1 | 2 | 0-5 | 00111100 | 00112200 | 344-432 | |||
20091226 | 75.9 | 12 | 13 | 3.0 | 3 | 0-6 | 12100100 | 12101210 | 349-439 | |||
20091225 | 76.0 | 0 | 0 | 2.3 | 2 | 0-7 | 00000122 | 00011222 | 281-399 | |||
20091224 | 77.1 | 0 | 11 | 1.9 | 2 | 0-3 | 11000001 | 11000000 | 331-456 | |||
20091223 | 78.4 | 23 | 23 | 2.3 | 2 | 0-4 | 01100001 | 12210111 | 329-376 | 1 | ||
20091222 | 82.2 | 28 | 26 | 1.8 | 2 | 0-3 | 00000011 | 00010221 | 331-349 | 5 | ||
20091221 | 82.7 | 29 | 42 | 1.4 | 1 | 0-6 | 00000021 | 00000121 | 309-420 | 2 | ||
20091220 | 83.7 | 44 | 42 | 1.4 | 1 | 0-4 | 00001100 | 11011210 | 314-397 | |||
20091219 | 81.7 | 30 | 43 | 0.8 | 1 | 0-2 | 00000000 | 00000000 | 363-447 | 1 | ||
20091218 | 84.2 | 19 | 20 | 1.9 | 2 | 0-5 | 00110000 | 00120100 | 349-445 | 1 | ||
20091217 | 86.9 | 31 | 24 | 1.3 | 1 | 0-3 | 00010100 | 01021101 | 331-414 | |||
20091216 | 83.2 | 33 | 30 | 2.9 | 3 | 0-6 | 21011100 | 12021110 | 270-352 | 3 | ||
20091215 | 81.6 | 30 | 38 | 0.5 | 0 | 0-4 | 00000001 | 00000111 | 270-299 | |||
20091214 | 78.6 | 34 | 28 | 3.9 | 4 | 0-12 | 03220100 | 13230210 | 269-324 | |||
20091213 | 75.5 | 29 | 14 | 1.6 | 2 | 0-5 | 00111000 | 00112010 | 270-285 | |||
20091212 | 74.5 | 14 | 12 | 1.4 | 1 | 0-5 | 00000001 | 00111111 | 270-301 | |||
20091211 | 72.1 | 13 | 13 | 0.0 | 0 | 0-0 | 00000000 | 00000100 | 270-284 | |||
20091210 | 73.9 | 14 | 13 | 0.8 | 1 | 0-3 | 00001001 | 00001000 | 269-274 | 1 | ||
20091209 | 73.0 | 12 | 13 | 0.5 | 0 | 0-2 | 00000000 | 00000000 | 270-329 | |||
20091208 | 72.2 | 0 | 0 | 0.8 | 1 | 0-2 | 00000000 | 00000000 | 278-338 | |||
20091207 | 71.1 | 0 | 0 | 2.4 | 2 | 0-4 | 10001011 | 00111110 | 316-351 | |||
20091206 | 71.9 | 0 | 0 | 2.0 | 2 | 0-7 | 21000000 | 22010110 | 345-451 | |||
20091205 | 71.7 | 0 | 0 | 2.6 | 3 | 0-7 | 00101021 | 00212221 | 270-432 | |||
20091204 | 71.5 | 0 | 0 | 0.3 | 0 | 0-2 | 00000000 | 00000000 | 270-387 | |||
20091203 | 71.6 | 0 | 0 | 0.3 | 0 | 0-2 | 00000000 | 00000000 | 270-311 | |||
20091202 | 71.4 | 0 | 0 | 0.9 | 0 | 0-3 | 00100000 | 00101000 | 269-273 | |||
20091201 | 72.2 | 0 | 0 | 0.3 | 0 | 0-2 | 00000000 | 00100000 | 270-272 |
This page is normally updated once a day by Jan Alvestad. All values are preliminary.