datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,01 0:30:00,31 ,       0,0.056216, 0.00324,0.011419
sgpcmbeC1.c1,2004,01 1:30:00,31 ,       0,0.324392,0.013753,0.059209
sgpcmbeC1.c1,2004,01 2:30:00,31 ,       0,0.258885,0.016515, 0.05456
sgpcmbeC1.c1,2004,01 3:30:00,31 ,       0,0.176637,0.011478,0.037248
sgpcmbeC1.c1,2004,01 4:30:00,31 ,       0, 0.28577,0.018232,0.062155
sgpcmbeC1.c1,2004,01 5:30:00,31 ,       0,0.283611, 0.01233,0.050947
sgpcmbeC1.c1,2004,01 6:30:00,31 ,       0,0.165783,0.006888,0.029793
sgpcmbeC1.c1,2004,01 7:30:00,31 ,       0,6.085105,1.341276, 1.38365
sgpcmbeC1.c1,2004,01 8:30:00,31 ,0.278301, 24.3664, 8.57665,6.596096
sgpcmbeC1.c1,2004,01 9:30:00,31 ,0.960717,25.83545,9.258149,6.593336
sgpcmbeC1.c1,2004,0110:30:00,31 ,0.741605,27.56579,8.810358,6.119648
sgpcmbeC1.c1,2004,0111:30:00,31 ,0.635649,33.69306, 9.76459,9.233832
sgpcmbeC1.c1,2004,0112:30:00,31 ,0.266867, 28.7313,8.363176,9.624159
sgpcmbeC1.c1,2004,0113:30:00,31 ,0.913068,40.72835,8.913977,9.552728
sgpcmbeC1.c1,2004,0114:30:00,31 ,1.088203,28.97937,9.806211,7.116457
sgpcmbeC1.c1,2004,0115:30:00,31 ,0.618788,24.00945,10.51944,5.990378
sgpcmbeC1.c1,2004,0116:30:00,31 ,1.198233,18.68631, 9.53447,4.755666
sgpcmbeC1.c1,2004,0117:30:00,31 ,       0,11.89154,4.157479,3.260073
sgpcmbeC1.c1,2004,0118:30:00,31 ,       0,0.375644,0.014794,0.068607
sgpcmbeC1.c1,2004,0119:30:00,31 ,       0,0.025197,0.000813,0.004525
sgpcmbeC1.c1,2004,0120:30:00,31 ,       0,0.573225,0.024978,0.107474
sgpcmbeC1.c1,2004,0121:30:00,31 ,       0,0.395629,0.013949,0.070968
sgpcmbeC1.c1,2004,0122:30:00,31 ,       0,0.202004,0.008882, 0.03707
sgpcmbeC1.c1,2004,0123:30:00,31 ,       0,0.006834,0.000361,0.001323