datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,10 0:30:00,31 ,       0,0.014275, 0.00046,0.002564
sgpcmbeC1.c1,2001,10 1:30:00,31 ,       0,0.179761,0.005932, 0.03227
sgpcmbeC1.c1,2001,10 2:30:00,31 ,       0,0.214119,0.006907,0.038457
sgpcmbeC1.c1,2001,10 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,10 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,10 5:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,10 6:30:00,31 ,       0,4.540473,1.356103, 1.39666
sgpcmbeC1.c1,2001,10 7:30:00,31 ,2.775448,48.89737,26.05697,11.90763
sgpcmbeC1.c1,2001,10 8:30:00,31 , 10.4978,87.55813,65.45643,20.57631
sgpcmbeC1.c1,2001,10 9:30:00,31 ,12.78163,117.9996,95.59871,25.95464
sgpcmbeC1.c1,2001,1010:30:00,31 ,35.44957,138.1073,113.3487,30.51619
sgpcmbeC1.c1,2001,1011:30:00,31 ,65.52348,147.6097,125.6646,22.87165
sgpcmbeC1.c1,2001,1012:30:00,31 ,35.10402,148.8837,123.6835,31.66321
sgpcmbeC1.c1,2001,1013:30:00,31 ,18.94351,142.4086,120.4223,29.35975
sgpcmbeC1.c1,2001,1014:30:00,31 ,9.886621,126.3975,102.5427,28.39043
sgpcmbeC1.c1,2001,1015:30:00,31 ,7.097207,101.9507,79.83112,22.44356
sgpcmbeC1.c1,2001,1016:30:00,31 ,4.030625,74.97405,47.21046,16.62456
sgpcmbeC1.c1,2001,1017:30:00,31 ,1.643446,25.41976,12.14289,7.626489
sgpcmbeC1.c1,2001,1018:30:00,31 ,       0,0.584864,0.037638,0.115041
sgpcmbeC1.c1,2001,1019:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,1020:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,1021:30:00,31 ,       0,0.003591,0.000116,0.000645
sgpcmbeC1.c1,2001,1022:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,1023:30:00,31 ,       0,0.036302,0.001236,0.006518