datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2002,01 0:30:00,25 ,0.693622,105.9429, 38.8337, 28.7859
twpcmbeC2.c1,2002,01 1:30:00,24 ,       0,191.1431,44.70204,39.71855
twpcmbeC2.c1,2002,01 2:30:00,23 ,4.073616,112.5321,46.23306,30.77145
twpcmbeC2.c1,2002,01 3:30:00,23 ,4.911535,166.2373,52.04328,47.94001
twpcmbeC2.c1,2002,01 4:30:00,26 ,1.678842,115.2182,40.52806,34.08216
twpcmbeC2.c1,2002,01 5:30:00,24 ,1.082453,153.0269,44.17942,43.16716
twpcmbeC2.c1,2002,01 6:30:00,23 ,1.091471,115.9114,33.38878,31.02494
twpcmbeC2.c1,2002,01 7:30:00,26 , 0.11923,176.5326,49.90153,48.08791
twpcmbeC2.c1,2002,01 8:30:00,27 ,0.586052,150.1181,38.81367,37.88053
twpcmbeC2.c1,2002,01 9:30:00,26 ,       0,126.6337,32.00041,30.61877
twpcmbeC2.c1,2002,0110:30:00,26 ,       0,120.7443, 38.5852,35.74575
twpcmbeC2.c1,2002,0111:30:00,26 ,       0,143.2138,35.62736,34.87384
twpcmbeC2.c1,2002,0112:30:00,26 ,       0,119.8353,34.57444,37.28165
twpcmbeC2.c1,2002,0113:30:00,25 ,1.008386,143.5482,38.14402,35.42137
twpcmbeC2.c1,2002,0114:30:00,25 ,       0,169.7108, 45.3376,42.40352
twpcmbeC2.c1,2002,0115:30:00,24 ,       0,180.5781,51.05034,49.82785
twpcmbeC2.c1,2002,0116:30:00,26 , 0.81486,179.7574,43.35281,53.03731
twpcmbeC2.c1,2002,0117:30:00,27 ,       0,176.2204, 38.5588,38.12297
twpcmbeC2.c1,2002,0118:30:00,25 ,       0,136.0592,34.43333,33.38576
twpcmbeC2.c1,2002,0119:30:00,28 ,0.217063, 69.8896,24.59845, 19.7679
twpcmbeC2.c1,2002,0120:30:00,28 ,2.052244,129.8634,38.79103,39.47301
twpcmbeC2.c1,2002,0121:30:00,28 ,0.806732,119.8618,35.64707,32.80232
twpcmbeC2.c1,2002,0122:30:00,26 ,0.642246,137.9652,37.27949,35.32612
twpcmbeC2.c1,2002,0123:30:00,26 ,1.068775,140.7283,34.90172, 31.7062