Solar and geomagnetic data

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).

[Solar Terrestrial Activity Report]