Date | Measured solar flux |
Sunspot number | Planetary A index | K indices (3-hour intervals) |
Solar wind speed range (km/s) (SOHO) |
Number of flares | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
STAR SDO | NOAA | STAR ap avg |
WDC | Daily ap range |
Planetary (WDC) |
Boulder | C | M | X | ||||
2K | 1K | ||||||||||||
20120229 | 102.0 | 100 | 57 | 22 | 6.6 | 7 | 0-18 | 33300011 | 23201211 | 376-488 | |||
20120228 | 103.3 | 96 | 62 | 35 | 12.3 | 12 | 4-48 | 12521213 | 12421322 | 357-477 | |||
20120227 | 105.5 | 104 | 70 | 45 | 19.4 | 19 | 5-56 | 42123452 | 43223333 | 428-495 | |||
20120226 | 107.0 | 92 | 72 | 58 | 6.8 | 7 | 3-15 | 22211123 | 23331212 | 369-518 | 2 | ||
20120225 | 108.0 | 112 | 47 | 36 | 6.0 | 6 | 0-12 | 01222132 | 10233221 | 353-435 | |||
20120224 | 108.9 | 91 | 73 | 47 | 5.5 | 6 | 0-15 | 23111210 | 23122220 | 359-447 | |||
20120223 | 103.3 | 104 | 76 | 52 | 3.0 | 3 | 0-9 | 00110012 | 00221212 | 366-490 | |||
20120222 | 104.2 | 101 | 78 | 31 | 11.1 | 11 | 2-18 | 33332110 | 33333321 | 350-532 | |||
20120221 | 103.3 | 78 | 67 | 61 | 7.0 | 7 | 3-18 | 32221112 | 22222222 | 350-464 | 1 | ||
20120220 | 111.1 | 105 | 58 | 59 | 19.5 | 20 | 15-39 | 35333333 | 34432332 | 443-559 | 3 | ||
20120219 | 105.3 | 109 | 76 | 69 | 20.9 | 21 | 5-67 | 56221223 | 45322222 | 338-476 | 1 | ||
20120218 | 104.1 | 112 | 64 | 52 | 4.1 | 4 | 0-22 | 00000124 | 00001223 | 282-365 | |||
20120217 | 103.7 | 134 | 97 | 53 | 1.3 | 1 | 0-5 | 00110000 | 02211110 | 292-360 | |||
20120216 | 103.2 | 102 | 63 | 41 | 3.6 | 4 | 0-9 | 20122000 | 21122221 | 315-385 | |||
20120215 | 104.6 | 76 | 49 | 40 | 21.5 | 22 | 9-56 | 25433334 | 25543324 | 348-395 | |||
20120214 | 107.4 | 99 | 76 | 64 | 12.3 | 12 | 6-27 | 33222334 | 22212223 | 336-414 | |||
20120213 | 108.4 | 96 | 69 | 59 | 9.9 | 10 | 4-15 | 11323323 | 11433322 | 314-405 | |||
20120212 | 110.4 | 142 | 96 | 80 | 3.8 | 4 | 0-6 | 11011111 | 02111211 | 284-351 | 3 | ||
20120211 | 112.3 | 72 | 34 | 50 | 4.6 | 5 | 2-12 | 31101011 | 31111211 | 322-410 | 8 | ||
20120210 | 110.8 | 89 | 60 | 51 | 4.9 | 5 | 3-9 | 11111122 | 01212221 | 375-436 | 2 | ||
20120209 | 99.2 | 122 | 69 | 33 | 5.4 | 5 | 0-12 | 21012231 | 10012221 | 351-434 | 1 | ||
20120208 | 97.2 | 51 | 42 | 28 | 10.9 | 11 | 6-27 | 42322232 | 32322222 | 408-481 | 3 | ||
20120207 | 107.2 | 59 | 51 | 24 | 14.6 | 15 | 7-27 | 23232443 | 13243233 | 365-506 | 5 | ||
20120206 | 102.2 | 62 | 51 | 27 | 7.1 | 7 | 3-15 | 23111321 | 12102221 | 352-416 | 1 | 1 | |
20120205 | 102.7 | 58 | 37 | 37 | 8.5 | 8 | 4-15 | 32123232 | 21122222 | 363-440 | |||
20120204 | 107.0 | 68 | 35 | 43 | 9.4 | 9 | 7-12 | 23223223 | 22222322 | 376-442 | |||
20120203 | 111.1 | 68 | 28 | 39 | 5.8 | 6 | 2-9 | 22122110 | 22223210 | 366-439 | |||
20120202 | 118.0 | 106 | 48 | 74 | 4.4 | 4 | 0-6 | 12111012 | 21121112 | 349-428 | |||
20120201 | 117.5 | 154 | 86 | 85 | 5.5 | 6 | 2-9 | 22222001 | 22233111 | 343-399 | 1 | ||
Average | 106.5 | 95.2 | 61.8 | 48.1 | 8.81 | 8.86 | |||||||
International sunspot number: 33.1 | |||||||||||||
K factor | 0.35 | 0.54 | 0.69 |
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).