datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2006,03 0:30:00,29 ,       0,0.628999,0.128187,0.222747
twpcmbeC1.c1,2006,03 1:30:00,31 ,       0,0.628223,0.092313,0.180765
twpcmbeC1.c1,2006,03 2:30:00,31 ,       0, 0.56279,0.061423,0.143338
twpcmbeC1.c1,2006,03 3:30:00,31 ,       0,0.308582,0.020348, 0.07132
twpcmbeC1.c1,2006,03 4:30:00,31 ,       0,0.182865,0.013374, 0.04272
twpcmbeC1.c1,2006,03 5:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,03 6:30:00,31 ,0.717818,51.60786,23.86234, 14.0776
twpcmbeC1.c1,2006,03 7:30:00,31 ,3.002695,151.6663,55.45715,31.54403
twpcmbeC1.c1,2006,03 8:30:00,31 ,10.38745,179.4829,82.92977,46.72076
twpcmbeC1.c1,2006,03 9:30:00,31 ,8.107238,235.5177,93.12122,56.23598
twpcmbeC1.c1,2006,0310:30:00,31 ,20.32148,367.3462, 151.817,89.87143
twpcmbeC1.c1,2006,0311:30:00,31 ,43.89206,318.5586,137.3498,80.66737
twpcmbeC1.c1,2006,0312:30:00,31 ,6.307332,326.3944,142.9818,96.02595
twpcmbeC1.c1,2006,0313:30:00,31 ,10.21289, 348.984,155.2738,103.9861
twpcmbeC1.c1,2006,0314:30:00,31 ,2.976011,364.9931,128.9908,90.00573
twpcmbeC1.c1,2006,0315:30:00,31 ,6.884905,271.2816,115.9302,79.65179
twpcmbeC1.c1,2006,0316:30:00,31 ,0.404527, 146.504,66.56202,40.29863
twpcmbeC1.c1,2006,0317:30:00,31 ,1.306948,97.58223,46.30033, 27.1003
twpcmbeC1.c1,2006,0318:30:00,31 ,0.773513, 16.3576,7.551168,3.838861
twpcmbeC1.c1,2006,0319:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,0320:30:00,31 ,       0,0.338427,0.022474,0.075695
twpcmbeC1.c1,2006,0321:30:00,31 ,       0,0.438148,0.059234,0.120088
twpcmbeC1.c1,2006,0322:30:00,31 ,       0,0.518977,  0.0849,0.150652
twpcmbeC1.c1,2006,0323:30:00,29 ,       0,0.581906,0.097714,0.178697