datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,04 0:30:00,30 ,0.471822,3.218945, 1.88555,0.605336
sgpcmbeC1.c1,2005,04 1:30:00,30 ,0.199877,3.001771,1.858811,0.585357
sgpcmbeC1.c1,2005,04 2:30:00,30 ,0.558409,3.019304,1.696058,0.631727
sgpcmbeC1.c1,2005,04 3:30:00,30 ,0.757775,2.695542,1.654191,0.468458
sgpcmbeC1.c1,2005,04 4:30:00,30 ,1.012451, 2.98021,1.763092,0.514859
sgpcmbeC1.c1,2005,04 5:30:00,30 ,0.828398,8.702538,3.114547,1.965788
sgpcmbeC1.c1,2005,04 6:30:00,30 ,  6.0369,129.0074,58.12698,36.44788
sgpcmbeC1.c1,2005,04 7:30:00,30 ,25.31529,343.8814,201.3309,98.60433
sgpcmbeC1.c1,2005,04 8:30:00,30 ,50.42816,562.7817,376.6179,146.7447
sgpcmbeC1.c1,2005,04 9:30:00,30 ,138.9742,753.6102,533.4628,202.7321
sgpcmbeC1.c1,2005,0410:30:00,30 ,54.88728,900.5338,662.6882,247.8008
sgpcmbeC1.c1,2005,0411:30:00,30 ,152.3963,994.7158,752.0468,253.0064
sgpcmbeC1.c1,2005,0412:30:00,30 ,99.70009,1025.042,771.2779,  234.81
sgpcmbeC1.c1,2005,0413:30:00,30 ,81.27148,990.9615,736.9512, 243.666
sgpcmbeC1.c1,2005,0414:30:00,30 ,96.06026,893.2839,666.9705,239.8046
sgpcmbeC1.c1,2005,0415:30:00,30 ,64.34838,756.9871,531.9928,187.6989
sgpcmbeC1.c1,2005,0416:30:00,30 ,159.9386,559.0949,405.7484,114.1102
sgpcmbeC1.c1,2005,0417:30:00,30 ,62.90995, 331.126,211.7783,79.88615
sgpcmbeC1.c1,2005,0418:30:00,30 ,7.533975,120.2334,58.14896,28.78669
sgpcmbeC1.c1,2005,0419:30:00,30 ,0.640497,8.063661, 3.02481,1.615819
sgpcmbeC1.c1,2005,0420:30:00,30 ,0.878579,3.066072,1.974199,0.562134
sgpcmbeC1.c1,2005,0421:30:00,30 ,1.075344,3.088196,2.013784,0.625599
sgpcmbeC1.c1,2005,0422:30:00,30 ,0.908376,3.209315,2.015766,0.580229
sgpcmbeC1.c1,2005,0423:30:00,30 , 0.77265,2.864355,1.937303,0.578077