datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,03 0:30:00,28 ,0.342993, 3.37923,1.573819,0.839143
sgpcmbeC1.c1,1998,03 1:30:00,27 ,0.352981,2.759484,1.497897,0.710586
sgpcmbeC1.c1,1998,03 2:30:00,27 ,0.362696,2.918067,1.489562, 0.68827
sgpcmbeC1.c1,1998,03 3:30:00,26 ,0.340573,2.981754,1.466879,0.686316
sgpcmbeC1.c1,1998,03 4:30:00,27 ,0.298999,3.399936,1.574908,0.804386
sgpcmbeC1.c1,1998,03 5:30:00,26 ,0.322642,3.379033,1.586787,0.814796
sgpcmbeC1.c1,1998,03 6:30:00,27 ,0.331563, 4.42997,1.676609, 0.95559
sgpcmbeC1.c1,1998,03 7:30:00,26 ,0.337679,4.609357,1.644682,0.985729
sgpcmbeC1.c1,1998,03 8:30:00,25 ,0.348803, 3.37146,1.529105,0.789612
sgpcmbeC1.c1,1998,03 9:30:00,28 ,0.369459,3.439277,1.647139,0.833897
sgpcmbeC1.c1,1998,0310:30:00,27 ,0.392774,3.116273, 1.60946,0.769972
sgpcmbeC1.c1,1998,0311:30:00,24 ,0.382068,3.120673, 1.58667,0.738346
sgpcmbeC1.c1,1998,0312:30:00,23 ,0.366699,3.354335,1.649831,0.806278
sgpcmbeC1.c1,1998,0313:30:00,23 ,0.355755,3.733997, 1.69607,0.855303
sgpcmbeC1.c1,1998,0314:30:00,23 ,0.331736,  4.2952,1.689585,0.889211
sgpcmbeC1.c1,1998,0315:30:00,24 ,0.336557,4.167691,1.760048,0.918266
sgpcmbeC1.c1,1998,0316:30:00,23 ,0.353066,3.591737,1.659817,0.778723
sgpcmbeC1.c1,1998,0317:30:00,24 ,0.369781, 3.25526,1.686384,0.761413
sgpcmbeC1.c1,1998,0318:30:00,28 ,0.373041, 2.94252,1.531958,0.693681
sgpcmbeC1.c1,1998,0319:30:00,26 ,0.337265,2.773441,1.446828,0.639875
sgpcmbeC1.c1,1998,0320:30:00,26 ,0.337233,2.913459,1.474409,0.670702
sgpcmbeC1.c1,1998,0321:30:00,27 ,0.370722,3.803294,1.599595,  0.8128
sgpcmbeC1.c1,1998,0322:30:00,28 ,0.383248,3.334714,1.554505,0.770922
sgpcmbeC1.c1,1998,0323:30:00,27 ,0.358208,3.118478,1.516958,0.759675