datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,04 0:30:00,30 ,       0,1.331248,0.206338,0.307067
sgpcmbeC1.c1,1997,04 1:30:00,30 ,       0, 1.13318,0.206401,0.271372
sgpcmbeC1.c1,1997,04 2:30:00,30 ,       0, 0.70965, 0.15723,0.201959
sgpcmbeC1.c1,1997,04 3:30:00,30 ,       0,0.756237,0.149852,0.206493
sgpcmbeC1.c1,1997,04 4:30:00,30 ,       0,1.006833,0.112025,0.225249
sgpcmbeC1.c1,1997,04 5:30:00,30 ,       0, 1.65033,0.359422,0.435941
sgpcmbeC1.c1,1997,04 6:30:00,30 ,0.094316,85.28568,18.70309,24.70303
sgpcmbeC1.c1,1997,04 7:30:00,30 ,0.004093, 238.712,86.72357,93.27634
sgpcmbeC1.c1,1997,04 8:30:00,30 ,0.011711,432.0792,166.5895,178.7685
sgpcmbeC1.c1,1997,04 9:30:00,30 ,       0,612.5533,250.9865,273.9988
sgpcmbeC1.c1,1997,0410:30:00,30 ,0.028809,768.7472,315.1458,345.1897
sgpcmbeC1.c1,1997,0411:30:00,30 , 0.31501, 845.181,365.6192,360.8151
sgpcmbeC1.c1,1997,0412:30:00,30 ,0.060383,871.8679,369.4907,351.2584
sgpcmbeC1.c1,1997,0413:30:00,30 ,       0,836.4984,383.3253,345.7318
sgpcmbeC1.c1,1997,0414:30:00,30 ,       0, 737.009,330.3224,301.5047
sgpcmbeC1.c1,1997,0415:30:00,30 ,       0,606.3275, 275.955,250.5445
sgpcmbeC1.c1,1997,0416:30:00,30 ,0.000141,431.1432,204.4161,185.9462
sgpcmbeC1.c1,1997,0417:30:00,30 ,       0,252.7458,100.7843, 96.7122
sgpcmbeC1.c1,1997,0418:30:00,30 ,0.009251,72.31132, 21.9379,20.96133
sgpcmbeC1.c1,1997,0419:30:00,30 ,       0,1.547844,0.523457,0.412286
sgpcmbeC1.c1,1997,0420:30:00,30 ,       0,1.404212,0.262428,0.328187
sgpcmbeC1.c1,1997,0421:30:00,30 ,       0,1.156211,0.293119,0.341098
sgpcmbeC1.c1,1997,0422:30:00,30 ,       0,1.486417,0.245128,0.347422
sgpcmbeC1.c1,1997,0423:30:00,30 ,       0,1.137484,0.205704,0.283586