datastream, year, month, tod,n, min, max, mean, std
nsacmbeC1.c1,2002,03 0:30:00,23 ,       0,       0,       0,       0
nsacmbeC1.c1,2002,03 1:30:00,24 ,       0,       0,       0,       0
nsacmbeC1.c1,2002,03 2:30:00,22 ,       0,       0,       0,       0
nsacmbeC1.c1,2002,03 3:30:00,25 ,       0,       0,       0,       0
nsacmbeC1.c1,2002,03 4:30:00,26 ,       0,       0,       0,       0
nsacmbeC1.c1,2002,03 5:30:00,26 ,       0,       0,       0,       0
nsacmbeC1.c1,2002,03 6:30:00,27 ,       0,0.544829,0.044813,0.136377
nsacmbeC1.c1,2002,03 7:30:00,27 ,       0,23.99581,2.685228, 5.86178
nsacmbeC1.c1,2002,03 8:30:00,27 , 0.00097,82.93159,14.53904,23.41454
nsacmbeC1.c1,2002,03 9:30:00,27 ,0.100693,153.4419,44.19559,48.02241
nsacmbeC1.c1,2002,0310:30:00,27 ,0.128532,222.2375,84.69186,71.12266
nsacmbeC1.c1,2002,0311:30:00,27 ,0.177216,274.4607,  121.13, 91.8776
nsacmbeC1.c1,2002,0312:30:00,26 ,0.384804,310.1111,143.2545,106.6024
nsacmbeC1.c1,2002,0313:30:00,26 ,0.306366,318.0471,152.1087,110.3383
nsacmbeC1.c1,2002,0314:30:00,26 ,0.298241,306.9084,153.7405,105.5448
nsacmbeC1.c1,2002,0315:30:00,28 ,0.269089,272.4943,120.2536,94.56334
nsacmbeC1.c1,2002,0316:30:00,28 , 0.13866,215.0465,90.94163,74.98286
nsacmbeC1.c1,2002,0317:30:00,28 ,0.042135,147.8128,51.68654,51.56012
nsacmbeC1.c1,2002,0318:30:00,28 ,0.018179,77.54922, 19.5062,27.27426
nsacmbeC1.c1,2002,0319:30:00,28 ,       0,22.44848,3.278813,6.624267
nsacmbeC1.c1,2002,0320:30:00,28 ,       0,0.844432,0.052728, 0.18147
nsacmbeC1.c1,2002,0321:30:00,28 ,       0,       0,       0,       0
nsacmbeC1.c1,2002,0322:30:00,27 ,       0,       0,       0,       0
nsacmbeC1.c1,2002,0323:30:00,26 ,       0,       0,       0,       0