datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,10 0:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,10 1:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,10 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,10 3:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,10 4:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,10 5:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,10 6:30:00,31 ,       0,12.20419,1.146158,3.052436
sgpcmbeC1.c1,2002,10 7:30:00,31 ,       0,56.07858,13.48177,20.33187
sgpcmbeC1.c1,2002,10 8:30:00,31 ,       0,92.52589,22.47912,30.09881
sgpcmbeC1.c1,2002,10 9:30:00,31 ,       0,156.7144,26.40489,38.00085
sgpcmbeC1.c1,2002,1010:30:00,31 ,       0,194.1207, 38.7263,58.50937
sgpcmbeC1.c1,2002,1011:30:00,31 ,0.194765,209.6912, 37.8295,60.55372
sgpcmbeC1.c1,2002,1012:30:00,31 ,0.118597,246.7008,50.28999,79.85682
sgpcmbeC1.c1,2002,1013:30:00,31 ,0.010884,226.6777,43.77706,62.42213
sgpcmbeC1.c1,2002,1014:30:00,31 ,       0, 195.131, 42.1313,51.07387
sgpcmbeC1.c1,2002,1015:30:00,31 ,       0,143.5539,34.34716, 38.0746
sgpcmbeC1.c1,2002,1016:30:00,31 ,       0,66.79875,23.90092,26.70582
sgpcmbeC1.c1,2002,1017:30:00,31 ,       0,42.74083,12.57453,16.06763
sgpcmbeC1.c1,2002,1018:30:00,31 ,       0,9.475184,0.783037,1.901257
sgpcmbeC1.c1,2002,1019:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,1020:30:00,31 ,       0, 0.85953,0.027727,0.154376
sgpcmbeC1.c1,2002,1021:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,1022:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,1023:30:00,30 ,       0,       0,       0,       0