datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,10 0:30:00,31 ,       0,0.914386,0.032087,0.164381
sgpcmbeC1.c1,2007,10 1:30:00,30 ,       0,  0.3993,  0.0409,0.110188
sgpcmbeC1.c1,2007,10 2:30:00,31 ,       0,1.684118,0.102404,0.317322
sgpcmbeC1.c1,2007,10 3:30:00,31 ,       0,0.379176,0.018513,0.075514
sgpcmbeC1.c1,2007,10 4:30:00,31 ,       0,1.127323,0.049159,0.212386
sgpcmbeC1.c1,2007,10 5:30:00,31 ,       0,0.381101,0.014214,0.068925
sgpcmbeC1.c1,2007,10 6:30:00,31 ,0.021038,18.12949,5.727081,4.622912
sgpcmbeC1.c1,2007,10 7:30:00,31 ,2.884053,167.7119,103.0588, 41.7406
sgpcmbeC1.c1,2007,10 8:30:00,31 ,9.116845,371.6705,263.4682,91.27971
sgpcmbeC1.c1,2007,10 9:30:00,31 ,6.916071,555.8807,423.6841,133.1436
sgpcmbeC1.c1,2007,1010:30:00,31 ,8.043517,694.3259,547.7079,163.8071
sgpcmbeC1.c1,2007,1011:30:00,31 ,11.15851,777.6636,598.4196,204.9845
sgpcmbeC1.c1,2007,1012:30:00,31 ,59.49724,800.2664,600.0544,214.7442
sgpcmbeC1.c1,2007,1013:30:00,31 , 99.9927,  758.28, 574.881,175.6307
sgpcmbeC1.c1,2007,1014:30:00,31 ,151.6838,  651.34,498.0834,128.2638
sgpcmbeC1.c1,2007,1015:30:00,31 ,49.44411,497.2122, 336.243,112.2516
sgpcmbeC1.c1,2007,1016:30:00,31 ,52.88436,298.4764, 185.341,62.12391
sgpcmbeC1.c1,2007,1017:30:00,31 ,0.224826,98.15657,44.19498,27.35688
sgpcmbeC1.c1,2007,1018:30:00,31 ,       0,2.564349,0.677764,0.796037
sgpcmbeC1.c1,2007,1019:30:00,31 ,       0,1.775393,0.117654,0.364036
sgpcmbeC1.c1,2007,1020:30:00,31 ,       0,1.917758,0.105462,0.372153
sgpcmbeC1.c1,2007,1021:30:00,31 ,       0, 0.36592,0.032868,0.101446
sgpcmbeC1.c1,2007,1022:30:00,31 ,-0.07692,1.112298,0.083562,0.271146
sgpcmbeC1.c1,2007,1023:30:00,31 ,       0,0.504921, 0.04609,0.143573