datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,03 0:30:00,29 ,0.609568,3.173922,1.624173,0.624208
sgpcmbeC1.c1,2000,03 1:30:00,28 ,0.619845,3.358704,1.605867,0.667743
sgpcmbeC1.c1,2000,03 2:30:00,29 ,0.709634,3.854615,1.659747,0.728454
sgpcmbeC1.c1,2000,03 3:30:00,28 ,0.669069, 2.71679,1.559448,0.558616
sgpcmbeC1.c1,2000,03 4:30:00,28 , 0.75215,2.569529,  1.5456,0.517721
sgpcmbeC1.c1,2000,03 5:30:00,28 ,0.761482,2.429913,1.550053,0.540792
sgpcmbeC1.c1,2000,03 6:30:00,28 ,0.684264,4.104274,1.685259,0.782908
sgpcmbeC1.c1,2000,03 7:30:00,28 ,0.717749,3.396785, 1.69155,0.753628
sgpcmbeC1.c1,2000,03 8:30:00,30 ,0.604529,3.339793,1.674971,0.792268
sgpcmbeC1.c1,2000,03 9:30:00,31 ,0.523468,3.892339,1.753818,0.882845
sgpcmbeC1.c1,2000,0310:30:00,31 ,0.488564,4.413718,  1.7879,0.942295
sgpcmbeC1.c1,2000,0311:30:00,31 ,0.516135,3.923972,1.778873,0.854609
sgpcmbeC1.c1,2000,0312:30:00,31 , 0.54662,3.799131,1.720755,0.765936
sgpcmbeC1.c1,2000,0313:30:00,31 ,0.542559,3.057898,1.682874,0.692352
sgpcmbeC1.c1,2000,0314:30:00,31 ,0.551962,3.443041,1.700351,0.682644
sgpcmbeC1.c1,2000,0315:30:00,31 ,0.578449,3.858618,1.733601,0.709524
sgpcmbeC1.c1,2000,0316:30:00,31 ,0.565368,3.663921,1.756063,0.718313
sgpcmbeC1.c1,2000,0317:30:00,30 ,0.542914,4.440101,1.772288,0.745587
sgpcmbeC1.c1,2000,0318:30:00,31 ,0.524373,3.694939,1.789487, 0.71578
sgpcmbeC1.c1,2000,0319:30:00,30 , 0.52909,3.242186,1.749047,0.667175
sgpcmbeC1.c1,2000,0320:30:00,30 ,0.565308, 3.09164, 1.78535,0.682551
sgpcmbeC1.c1,2000,0321:30:00,29 ,0.574219,3.084769,1.717478,0.650362
sgpcmbeC1.c1,2000,0322:30:00,30 , 0.57287,2.996985,1.653665,0.595959
sgpcmbeC1.c1,2000,0323:30:00,30 , 0.57932,3.131447,1.662123,0.653703