datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,11 0:30:00,20 ,       0,207.4958,18.71596,46.73785
sgpcmbeC1.c1,2001,11 1:30:00,20 ,       0,281.4003,22.33864,63.25587
sgpcmbeC1.c1,2001,11 2:30:00,20 ,       0, 311.558,22.52672,68.99405
sgpcmbeC1.c1,2001,11 3:30:00,19 ,       0,38.52088,8.585349,13.50067
sgpcmbeC1.c1,2001,11 4:30:00,19 ,       0,155.6812,12.37127,35.46408
sgpcmbeC1.c1,2001,11 5:30:00,19 ,       0,188.1656, 18.0461,45.10035
sgpcmbeC1.c1,2001,11 6:30:00,18 ,       0,158.1785,22.32792,46.81204
sgpcmbeC1.c1,2001,11 7:30:00,18 ,       0,119.1136,16.50169,36.30788
sgpcmbeC1.c1,2001,11 8:30:00,18 ,       0,34.83273,7.700256,10.91341
sgpcmbeC1.c1,2001,11 9:30:00,20 ,       0,  77.221,10.63568,19.47138
sgpcmbeC1.c1,2001,1110:30:00,21 ,       0,65.03634,8.324875,14.71635
sgpcmbeC1.c1,2001,1111:30:00,22 ,0.012098,124.9705, 13.7539,27.71811
sgpcmbeC1.c1,2001,1112:30:00,22 ,       0,301.4599,27.81703, 68.2967
sgpcmbeC1.c1,2001,1113:30:00,22 ,       0, 207.563,20.64909,47.60158
sgpcmbeC1.c1,2001,1114:30:00,22 ,       0,344.1001,22.42309,72.74955
sgpcmbeC1.c1,2001,1115:30:00,22 ,       0,150.2387,16.71049, 34.9835
sgpcmbeC1.c1,2001,1116:30:00,22 ,       0,186.8302, 12.7461,39.24446
sgpcmbeC1.c1,2001,1117:30:00,22 ,0.021711,88.66068,9.332413,19.82465
sgpcmbeC1.c1,2001,1118:30:00,21 ,0.099999,50.19751,5.843106,11.73344
sgpcmbeC1.c1,2001,1119:30:00,22 ,       0,56.31369,7.205645,13.22811
sgpcmbeC1.c1,2001,1120:30:00,22 ,0.075426,27.88507,6.165157, 9.16424
sgpcmbeC1.c1,2001,1121:30:00,22 ,       0,41.65524,6.819183,10.76584
sgpcmbeC1.c1,2001,1122:30:00,22 ,       0,119.8868,11.46995,26.61636
sgpcmbeC1.c1,2001,1123:30:00,22 ,       0,102.5644,9.291044,23.40095