datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,09 0:30:00,30 ,       0,2.546724, 0.37198,0.684639
sgpcmbeC1.c1,2003,09 1:30:00,30 ,       0,1.869295,0.354679, 0.64226
sgpcmbeC1.c1,2003,09 2:30:00,30 ,       0,2.440523,0.389626,0.735021
sgpcmbeC1.c1,2003,09 3:30:00,30 ,       0,2.010153,0.288484,0.508812
sgpcmbeC1.c1,2003,09 4:30:00,29 ,       0,1.773211,0.247122,0.491129
sgpcmbeC1.c1,2003,09 5:30:00,29 ,       0,1.502514,0.207202,0.402593
sgpcmbeC1.c1,2003,09 6:30:00,30 ,0.355823,65.00785, 26.1053,17.49337
sgpcmbeC1.c1,2003,09 7:30:00,30 ,7.966132,235.3388,139.2336,76.60794
sgpcmbeC1.c1,2003,09 8:30:00,30 ,29.86588,448.3983,278.9739,157.8576
sgpcmbeC1.c1,2003,09 9:30:00,30 ,26.95589,636.4467,433.2331,223.7428
sgpcmbeC1.c1,2003,0910:30:00,30 ,54.62001,781.4509,543.3073,249.2456
sgpcmbeC1.c1,2003,0911:30:00,30 ,62.17847, 892.571,630.3282,282.6689
sgpcmbeC1.c1,2003,0912:30:00,30 ,  28.632,923.5251,656.8225,277.6968
sgpcmbeC1.c1,2003,0913:30:00,30 ,61.28546,891.2991,656.4587,245.8133
sgpcmbeC1.c1,2003,0914:30:00,30 ,47.30208,805.5979,566.4598,215.6372
sgpcmbeC1.c1,2003,0915:30:00,30 ,37.96252,648.1212,422.1824,185.3968
sgpcmbeC1.c1,2003,0916:30:00,30 ,8.156883,466.2147,278.0431,141.6184
sgpcmbeC1.c1,2003,0917:30:00,30 ,4.230035,252.2219,134.1259, 64.4154
sgpcmbeC1.c1,2003,0918:30:00,30 ,0.044121,55.70969,19.29301,16.24951
sgpcmbeC1.c1,2003,0919:30:00,30 ,       0,3.040525,1.039192,1.061074
sgpcmbeC1.c1,2003,0920:30:00,30 ,       0,2.362763,0.765109,0.883426
sgpcmbeC1.c1,2003,0921:30:00,30 ,       0, 2.80252,0.628453,0.934943
sgpcmbeC1.c1,2003,0922:30:00,30 ,       0,2.793583,0.577966,0.891869
sgpcmbeC1.c1,2003,0923:30:00,30 ,       0,2.775767,0.488136,0.843294