datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2003,03 0:30:00,31 ,       0,0.044867,0.002871,0.009133
twpcmbeC1.c1,2003,03 1:30:00,31 ,       0,0.059986,0.004036,0.012778
twpcmbeC1.c1,2003,03 2:30:00,31 ,       0,0.030258,0.001268, 0.00562
twpcmbeC1.c1,2003,03 3:30:00,31 ,       0,0.005791,0.000187, 0.00104
twpcmbeC1.c1,2003,03 4:30:00,31 ,       0,0.009517,0.000388,0.001753
twpcmbeC1.c1,2003,03 5:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2003,03 6:30:00,31 ,2.083589,32.95112,16.93269,7.235568
twpcmbeC1.c1,2003,03 7:30:00,31 ,2.464457,52.42109,23.77675,14.15438
twpcmbeC1.c1,2003,03 8:30:00,31 ,3.178884,108.8961,42.22244,24.64363
twpcmbeC1.c1,2003,03 9:30:00,31 ,0.492723,97.53256,52.23619,29.93326
twpcmbeC1.c1,2003,0310:30:00,31 ,1.004209,139.8903,62.25175,35.18634
twpcmbeC1.c1,2003,0311:30:00,31 , 0.54434,147.4807,61.36717,38.84966
twpcmbeC1.c1,2003,0312:30:00,31 ,1.426261,195.0021,67.49746,  44.391
twpcmbeC1.c1,2003,0313:30:00,31 ,3.835431,129.8168,62.71072,31.73425
twpcmbeC1.c1,2003,0314:30:00,31 ,1.610598,201.5368,  60.516,39.06505
twpcmbeC1.c1,2003,0315:30:00,31 ,4.838335,113.0291,48.20615,23.94719
twpcmbeC1.c1,2003,0316:30:00,31 , 4.13938,78.54543,31.71235,17.73389
twpcmbeC1.c1,2003,0317:30:00,31 ,1.570779,54.68676,26.98941,12.67576
twpcmbeC1.c1,2003,0318:30:00,31 ,1.302673,18.28141,7.622618, 4.19907
twpcmbeC1.c1,2003,0319:30:00,31 ,       0,0.015076,0.000861,0.003363
twpcmbeC1.c1,2003,0320:30:00,31 ,       0,0.054525,0.003119,0.011116
twpcmbeC1.c1,2003,0321:30:00,31 ,       0,0.065815,0.002605,0.011878
twpcmbeC1.c1,2003,0322:30:00,31 ,       0,0.083996, 0.00964,0.022883
twpcmbeC1.c1,2003,0323:30:00,31 ,       0,0.078786,0.005828,0.016635