datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,09 0:30:00,30 ,       0,0.363166,0.022094,0.081235
sgpcmbeC1.c1,2002,09 1:30:00,30 ,       0, 0.47372,0.032305, 0.10428
sgpcmbeC1.c1,2002,09 2:30:00,30 ,       0,0.626724,0.077594,0.186599
sgpcmbeC1.c1,2002,09 3:30:00,30 ,       0,0.444203,0.036431,0.111285
sgpcmbeC1.c1,2002,09 4:30:00,30 ,       0,0.779157,0.059386,0.197321
sgpcmbeC1.c1,2002,09 5:30:00,30 ,       0,0.913407,0.041809, 0.16737
sgpcmbeC1.c1,2002,09 6:30:00,30 ,0.285158,28.35307,9.302681,6.871428
sgpcmbeC1.c1,2002,09 7:30:00,30 ,0.095037,171.7833,96.87514, 46.9753
sgpcmbeC1.c1,2002,09 8:30:00,30 ,0.166401,358.0342,234.7809,114.9667
sgpcmbeC1.c1,2002,09 9:30:00,30 ,0.668373,546.9962, 359.989,174.3754
sgpcmbeC1.c1,2002,0910:30:00,30 ,2.592285,693.1863, 494.563,195.0308
sgpcmbeC1.c1,2002,0911:30:00,30 ,6.711334,777.6461,559.5793,198.4803
sgpcmbeC1.c1,2002,0912:30:00,30 ,8.077454,797.4363,562.3236,210.5602
sgpcmbeC1.c1,2002,0913:30:00,30 ,0.357895,754.4602,526.5006,209.7085
sgpcmbeC1.c1,2002,0914:30:00,30 ,0.585907,653.0327,459.2932,183.8135
sgpcmbeC1.c1,2002,0915:30:00,30 ,       0,514.8082,338.3594,149.3869
sgpcmbeC1.c1,2002,0916:30:00,30 ,0.246765,338.8827,191.5135,104.7284
sgpcmbeC1.c1,2002,0917:30:00,30 ,       0, 142.678,69.81127,43.30413
sgpcmbeC1.c1,2002,0918:30:00,30 ,0.067248,14.94669,4.972109,4.436645
sgpcmbeC1.c1,2002,0919:30:00,29 ,       0,2.233405,0.630903,0.676853
sgpcmbeC1.c1,2002,0920:30:00,30 ,       0,2.237477,0.219412,0.509854
sgpcmbeC1.c1,2002,0921:30:00,30 ,       0,2.131871, 0.17106,0.443411
sgpcmbeC1.c1,2002,0922:30:00,30 ,       0, 2.36615,0.136768,0.447436
sgpcmbeC1.c1,2002,0923:30:00,27 ,       0,1.129893,0.097385,0.239023