Solar and geomagnetic data (last month)

Date Solar flux Sunspot number Planetary A index K indices
(3-hour intervals)
Min-max solar wind speed (km/sec) Number of flares (events)
STAR SEC STAR SEC Daily low - high Planetary Boulder C M X
20031231 105.6 21 25 17.3 17 6-36 32234543 32233533 410-565 4 1
20031230 107.7 12 15 9.5 8 5-14 21322332 11312233 359-451 1  
20031229 114.5 41 56 7.1 6 4-11 11232221 10122321 371-518    
20031228 119.0 51 47 13.6 12 7-19 33233332 33232333 420-553    
20031227 126.6 46 47 12.9 12 7-23 33233334 23232333 354-501    
20031226 137.2 66 65 10.1 9 8-12 22233323 22232333 347-406 4 1
20031225 139.1 52 58 7.8 6 4-12 21122322 21123322 349-404 8  
20031224 138.9 80 110 9.4 8 4-15 12223332 11111322 395-472 4  
20031223 142.0 131 144 9.6 9 5-15 22133332 11122321 463-632 7  
20031222 137.6 143 152 15.5 15 10-21 33343332 43333433 548-682 9  
20031221 133.4 134 105 21.5 21 13-27 43443443 43343333 452-647 5  
20031220 130.1 129 104 17.4 16 5-34 12243444 11243533 304-490 4  
20031219 122.5 111 113 8.3 7 5-13 21123322 10001011 292-353 10  
20031218 123.0 124 114 9.4 9 5-15 13233321 13112221 336-423 18  
20031217 117.5 116 92 11.0 10 5-14 23333331 24312321 407-497 5  
20031216 106.3 101 71 12.9 11 9-15 33333332 23333332 474-713 1  
20031215 100.8 74 42 25.8 25 13-37 54454433 54453433 606-765    
20031214 92.4 49 48 25.0 24 11-40 43344544 44343554 631-862 1  
20031213 87.8 62 40 28.8 28 18-40 54445543 54434533 619-853    
20031212 87.2 41 36 23.4 23 19-36 44434345 44433335 647-817    
20031211 86.1 34 35 39.0 40 18-62 55654534 55655534 718-860    
20031210 89.2 35 46 43.0 42 21-63 54565554 63554544 586-879    
20031209 92.2 23 23 31.1 31 13-46 34555544 34444434 580-762    
20031208 93.7 25 49 39.1 39 9-69 25566544 25455544 433-662    
20031207 92.0 38 53 16.3 15 7-29 22333443 22433443 352-507 4  
20031206 108.9 52 87 22.0 22 12-31 44443443 53433344 358-530 10 2
20031205 111.7 84 88 44.9 43 9-84 25655544 25545544 348-526 4  
20031204 115.8 100 115 10.0 9 4-14 21233333 11121223 327-379 1  
20031203 123.8 128 100 8.1 7 6-11 22222322 11112211 343-434 4  
20031202 139.3 106 119 9.9 9 5-13 32332231 22322222 374-469 9 2
20031201 143.3 130 159 11.4 10 7-15 23333322 23323222 387-495 3

This page is normally updated once a day by Jan Alvestad. All values are preliminary.

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