datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2002,03 0:30:00,31 ,       0,0.539523,0.082554,0.157739
twpcmbeC1.c1,2002,03 1:30:00,31 ,       0,0.687265,0.083185,0.187607
twpcmbeC1.c1,2002,03 2:30:00,31 ,       0,0.623466,0.097526,0.175246
twpcmbeC1.c1,2002,03 3:30:00,31 ,       0,0.466963, 0.04049,0.101515
twpcmbeC1.c1,2002,03 4:30:00,31 ,       0,0.335483,0.044696,0.097431
twpcmbeC1.c1,2002,03 5:30:00,31 ,       0,0.297542,  0.0133,0.056633
twpcmbeC1.c1,2002,03 6:30:00,31 ,3.140685,50.63917,20.62616,12.42565
twpcmbeC1.c1,2002,03 7:30:00,31 ,2.153645,147.5991,55.14307,34.73931
twpcmbeC1.c1,2002,03 8:30:00,31 ,17.70322,193.2378,89.41988,51.62995
twpcmbeC1.c1,2002,03 9:30:00,31 ,13.94969,247.0499,114.4504,63.83727
twpcmbeC1.c1,2002,0310:30:00,31 ,22.64839,323.9442,150.4709,98.25583
twpcmbeC1.c1,2002,0311:30:00,31 ,21.68722,326.4029,154.7969,83.73765
twpcmbeC1.c1,2002,0312:30:00,31 ,8.758087,424.7242,151.5229,110.3443
twpcmbeC1.c1,2002,0313:30:00,31 ,16.16861,385.2109,168.3063,116.9764
twpcmbeC1.c1,2002,0314:30:00,31 ,15.01039,373.3727,111.4306,78.22689
twpcmbeC1.c1,2002,0315:30:00,31 ,7.370522,226.5648,93.79296,63.77312
twpcmbeC1.c1,2002,0316:30:00,31 ,4.100787,183.3475,72.54063,56.61498
twpcmbeC1.c1,2002,0317:30:00,31 , 7.96772,82.21307,38.90667,22.95253
twpcmbeC1.c1,2002,0318:30:00,31 ,1.145854,16.60952,8.924003,4.281225
twpcmbeC1.c1,2002,0319:30:00,31 ,       0,0.173502,0.016449,0.046178
twpcmbeC1.c1,2002,0320:30:00,31 ,       0,0.525082,0.037537,0.115383
twpcmbeC1.c1,2002,0321:30:00,31 ,       0,0.620792,0.091944,0.167599
twpcmbeC1.c1,2002,0322:30:00,31 ,       0,0.537266, 0.09776,0.164902
twpcmbeC1.c1,2002,0323:30:00,31 ,       0,0.747624,0.113243,0.198614