datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,02 0:30:00,27 ,0.454826,3.014611,1.268059,0.642689
sgpcmbeC1.c1,2000,02 1:30:00,27 ,0.442796,3.091836,1.276019,0.646316
sgpcmbeC1.c1,2000,02 2:30:00,27 ,0.452889,3.866278,1.330488,0.791111
sgpcmbeC1.c1,2000,02 3:30:00,27 ,0.453749,3.761389,1.274916,0.717374
sgpcmbeC1.c1,2000,02 4:30:00,26 ,0.459548,2.219282,1.176323,0.537898
sgpcmbeC1.c1,2000,02 5:30:00,26 ,0.475125,2.229854,1.150033, 0.48705
sgpcmbeC1.c1,2000,02 6:30:00,26 ,0.519236,2.351168,1.127053,0.465236
sgpcmbeC1.c1,2000,02 7:30:00,27 ,0.539866,2.623573, 1.14237,0.496712
sgpcmbeC1.c1,2000,02 8:30:00,27 ,0.550326,2.675842, 1.13609,0.500387
sgpcmbeC1.c1,2000,02 9:30:00,27 ,0.591452,3.214673,1.152603,0.580184
sgpcmbeC1.c1,2000,0210:30:00,27 ,  0.6164,2.874857, 1.15936,0.566192
sgpcmbeC1.c1,2000,0211:30:00,27 , 0.63627,2.910122,1.187349,0.571908
sgpcmbeC1.c1,2000,0212:30:00,27 ,0.630344,2.958503,1.225628,0.578376
sgpcmbeC1.c1,2000,0213:30:00,27 ,0.612188,3.229443,1.273526,0.620191
sgpcmbeC1.c1,2000,0214:30:00,27 ,0.593803, 3.33836,1.302963,0.635648
sgpcmbeC1.c1,2000,0215:30:00,25 ,0.596989,4.048436,1.305277,0.708946
sgpcmbeC1.c1,2000,0216:30:00,26 ,0.567218, 3.68947,1.300647,0.659338
sgpcmbeC1.c1,2000,0217:30:00,26 ,0.539749,3.384398,1.279055,0.607671
sgpcmbeC1.c1,2000,0218:30:00,26 ,0.589403,3.237777, 1.25442,0.590564
sgpcmbeC1.c1,2000,0219:30:00,26 , 0.57476,3.275851,1.228269,0.596218
sgpcmbeC1.c1,2000,0220:30:00,25 , 0.56455,2.436723,1.157474,0.461528
sgpcmbeC1.c1,2000,0221:30:00,26 ,0.501677,  2.7328,1.214503,0.572862
sgpcmbeC1.c1,2000,0222:30:00,26 ,0.425105,3.161776,1.226901,0.616651
sgpcmbeC1.c1,2000,0223:30:00,26 ,0.459692,3.035547,1.209377,0.596235