datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,04 0:30:00,25 ,       0,393.7031,32.87598,87.44017
sgpcmbeC1.c1,1998,04 1:30:00,26 ,       0,752.7435,63.07937,176.3154
sgpcmbeC1.c1,1998,04 2:30:00,26 ,       0,806.2307,62.27149,186.7997
sgpcmbeC1.c1,1998,04 3:30:00,25 ,       0,399.7854,24.69294, 80.1431
sgpcmbeC1.c1,1998,04 4:30:00,25 ,       0,227.9261,20.54623,50.05452
sgpcmbeC1.c1,1998,04 5:30:00,25 ,       0,144.2167,21.34172,42.78375
sgpcmbeC1.c1,1998,04 6:30:00,26 ,       0,200.8389, 27.4137,50.95685
sgpcmbeC1.c1,1998,04 7:30:00,26 ,       0,238.8064,28.97122, 65.0266
sgpcmbeC1.c1,1998,04 8:30:00,26 ,       0, 128.838, 20.7259,36.25754
sgpcmbeC1.c1,1998,04 9:30:00,26 ,       0,185.2663,31.53888,55.91302
sgpcmbeC1.c1,1998,0410:30:00,27 ,       0, 899.532,93.39601,223.5458
sgpcmbeC1.c1,1998,0411:30:00,25 ,       0, 785.637,56.47398,161.2894
sgpcmbeC1.c1,1998,0412:30:00,25 ,       0,614.7817,56.59953,134.3541
sgpcmbeC1.c1,1998,0413:30:00,26 ,       0,1017.357,67.07841,202.4089
sgpcmbeC1.c1,1998,0414:30:00,26 ,       0,895.9427,62.59538,179.5431
sgpcmbeC1.c1,1998,0415:30:00,27 ,0.000067, 652.014,63.17289,147.6072
sgpcmbeC1.c1,1998,0416:30:00,27 ,0.091924,433.8756,58.00724,128.5254
sgpcmbeC1.c1,1998,0417:30:00,26 ,0.232182,357.0026,44.18068,91.04683
sgpcmbeC1.c1,1998,0418:30:00,28 ,0.221662,938.3726,74.25642,182.5263
sgpcmbeC1.c1,1998,0419:30:00,28 ,0.083818,687.4068,82.44105,152.9592
sgpcmbeC1.c1,1998,0420:30:00,26 ,0.540513,338.6811,37.84139,78.07686
sgpcmbeC1.c1,1998,0421:30:00,27 ,0.054834, 330.189,30.53418,69.60284
sgpcmbeC1.c1,1998,0422:30:00,26 ,0.032754,211.8052,23.07159,47.69212
sgpcmbeC1.c1,1998,0423:30:00,26 ,       0,376.8167, 34.0092,82.70466