http://www.swpc.noaa.gov/ftpdir/indices/DSD.txt
2009 08 31 68 12 10 1 -999 A0.0 0 0 0 0 0 0 0
2009 09 01 69 12 10 0 -999 A0.0 0 0 0 0 0 0 0
2009 09 02 68 0 0 0 -999 A0.0 0 0 0 0 0 0 0
2009 09 03 69 0 0 0 -999 A0.0 0 0 0 0 0 0 0
2009 09 04 68 0 0 0 -999 A0.0 0 0 0 0 0 0 0
2009 09 05 69 0 0 0 -999 A0.0 0 0 0 0 0 0 0
2009 09 06 69 0 0 0 -999 A0.0 0 0 0 0 0 0 0
2009 09 07 69 0 0 0 -999 A0.0 0 0 0 0 0 0 0
2009 09 08 69 0 0 0 -999 A0.0 0 0 0 0 0 0 0
2009 09 09 69 0 0 0 -999 A0.0 0 0 0 0 0 0 0
2009 09 10 69 0 0 0 -999 A0.0 0 0 0 0 0 0 0
2009 09 11 69 0 0 0 -999 A0.0 0 0 0 0 0 0 0
2009 09 12 69 0 0 0 -999 A0.0 0 0 0 0 0 0 0
2009 09 13 69 0 0 0 -999 A0.0 0 0 0 0 0 0 0
2009 09 14 69 0 0 0 -999 A0.0 0 0 0 0 0 0 0
2009 09 15 69 0 0 0 -999 A0.0 0 0 0 0 0 0 0
2009 09 16 69 0 0 0 -999 A0.0 0 0 0 0 0 0 0
2009 09 17 69 0 0 0 -999 A0.0 0 0 0 0 0 0 0
2009 09 18 69 0 0 0 -999 A0.0 0 0 0 0 0 0 0
2009 09 19 71 0 0 0 -999 A0.0 0 0 0 0 0 0 0
2009 09 20 71 0 0 0 -999 A0.0 0 0 0 0 0 0 0
2009 09 21 72 11 10 1 -999 A0.0 0 0 0 0 0 0 0
2009 09 22 75 26 70 1 -999 A1.4 0 0 0 0 0 0 0
2009 09 23 76 31 140 0 -999 A1.3 0 0 0 0 0 0 0
2009 09 24 75 32 180 0 -999 A0.0 0 0 0 1 0 0 0