datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,03 0:30:00,27 ,0.373244,7.134382,1.883381,1.575351
sgpcmbeC1.c1,2002,03 1:30:00,27 ,0.300362,4.966569,1.505395,0.939471
sgpcmbeC1.c1,2002,03 2:30:00,27 ,0.524061,3.254597,1.353999, 0.74162
sgpcmbeC1.c1,2002,03 3:30:00,27 ,0.301217,5.439702,1.651854, 1.34839
sgpcmbeC1.c1,2002,03 4:30:00,27 ,0.104477,4.639595,1.504911,1.034957
sgpcmbeC1.c1,2002,03 5:30:00,27 ,0.206589,4.559367,1.498553,1.341827
sgpcmbeC1.c1,2002,03 6:30:00,27 ,0.181216,4.608561,1.568858,1.240141
sgpcmbeC1.c1,2002,03 7:30:00,27 ,0.282749,10.73076,4.076345,3.195362
sgpcmbeC1.c1,2002,03 8:30:00,27 ,0.779666,9.295302,5.248282,2.652125
sgpcmbeC1.c1,2002,03 9:30:00,27 ,0.539272,9.940962,5.265602,2.810334
sgpcmbeC1.c1,2002,0310:30:00,28 ,0.866052,10.98284,5.564798,2.562122
sgpcmbeC1.c1,2002,0311:30:00,28 ,0.768616, 9.44483,5.230996,2.476436
sgpcmbeC1.c1,2002,0312:30:00,27 ,1.243769,8.307945,4.270315,2.101757
sgpcmbeC1.c1,2002,0313:30:00,26 ,0.702235,7.483772,3.364554,1.695093
sgpcmbeC1.c1,2002,0314:30:00,26 ,0.454094,12.04669,3.669774,2.707181
sgpcmbeC1.c1,2002,0315:30:00,27 ,0.601923,12.22957,5.096102,3.421179
sgpcmbeC1.c1,2002,0316:30:00,27 , 0.79955,9.200587,4.814279,2.432666
sgpcmbeC1.c1,2002,0317:30:00,27 , 1.08034,13.34541,5.563072,3.325924
sgpcmbeC1.c1,2002,0318:30:00,27 , 0.50586,10.85765,5.310814,  2.8693
sgpcmbeC1.c1,2002,0319:30:00,27 ,0.261747,14.13728,3.106763,3.113637
sgpcmbeC1.c1,2002,0320:30:00,27 ,0.339333,5.142337,2.278029,1.600103
sgpcmbeC1.c1,2002,0321:30:00,27 ,0.293474,31.65831,3.198509,5.884546
sgpcmbeC1.c1,2002,0322:30:00,27 , 0.38317,5.830146,1.735044,1.388371
sgpcmbeC1.c1,2002,0323:30:00,27 ,0.332949,3.924275,1.654437,0.894592