datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,01 0:30:00,16 ,       0,0.294313,0.031098,0.080877
sgpcmbeC1.c1,2002,01 1:30:00,18 ,       0,2.714612,0.182426,0.637529
sgpcmbeC1.c1,2002,01 2:30:00,12 ,       0,0.430223,0.037827, 0.12376
sgpcmbeC1.c1,2002,01 3:30:00,16 ,       0,0.457613,0.028913,0.114327
sgpcmbeC1.c1,2002,01 4:30:00,19 ,       0,2.890739,0.213242,0.672854
sgpcmbeC1.c1,2002,01 5:30:00,20 ,       0,0.173121,0.010219,0.038973
sgpcmbeC1.c1,2002,01 6:30:00,28 ,       0, 0.22522, 0.01542,0.051814
sgpcmbeC1.c1,2002,01 7:30:00,29 ,0.624342,12.56915,4.320104,2.866694
sgpcmbeC1.c1,2002,01 8:30:00,29 ,12.16957,138.7644,87.00504,37.00557
sgpcmbeC1.c1,2002,01 9:30:00,29 ,32.92625,337.7043,221.2396,91.80197
sgpcmbeC1.c1,2002,0110:30:00,29 ,47.16698,487.8806,336.5644, 134.158
sgpcmbeC1.c1,2002,0111:30:00,28 ,44.41648,602.4138, 440.655,140.4661
sgpcmbeC1.c1,2002,0112:30:00,29 ,43.51682,643.0616,467.7299,168.5507
sgpcmbeC1.c1,2002,0113:30:00,29 ,38.51495,621.4962,463.9278,160.0609
sgpcmbeC1.c1,2002,0114:30:00,29 , 36.7505,534.4466,388.1094,139.0926
sgpcmbeC1.c1,2002,0115:30:00,29 ,20.34774,395.4965,276.6916,100.7842
sgpcmbeC1.c1,2002,0116:30:00,29 ,10.58991,217.1341,131.5833,54.00486
sgpcmbeC1.c1,2002,0117:30:00,29 , 1.24425,45.02784,19.11439,12.74662
sgpcmbeC1.c1,2002,0118:30:00,29 ,       0,1.420789,0.408818,0.481256
sgpcmbeC1.c1,2002,0119:30:00,26 ,       0,0.602101,0.082395,0.172039
sgpcmbeC1.c1,2002,0120:30:00,20 ,       0,0.374451,0.026045,0.088099
sgpcmbeC1.c1,2002,0121:30:00,21 ,       0,0.206214, 0.01012,0.044942
sgpcmbeC1.c1,2002,0122:30:00,17 ,       0,0.592242,0.044238,0.142817
sgpcmbeC1.c1,2002,0123:30:00,17 ,       0, 0.24856,0.029399,0.070091