datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2007,04 0:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2007,04 1:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2007,04 2:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2007,04 3:30:00,30 ,       0,0.000239,7.961E-6,0.000044
twpcmbeC2.c1,2007,04 4:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2007,04 5:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2007,04 6:30:00,30 ,0.139957,5.454638,2.589705, 1.49596
twpcmbeC2.c1,2007,04 7:30:00,30 ,1.722288,59.10411, 22.6236,12.75675
twpcmbeC2.c1,2007,04 8:30:00,30 ,2.424303,64.22028, 25.0594, 12.6793
twpcmbeC2.c1,2007,04 9:30:00,30 ,8.006043, 89.7392,39.62179,22.27435
twpcmbeC2.c1,2007,0410:30:00,30 ,  8.0164,77.99235,37.62941,16.12622
twpcmbeC2.c1,2007,0411:30:00,30 ,9.277176,183.2879,55.04116,33.86035
twpcmbeC2.c1,2007,0412:30:00,30 , 10.4253,115.5929,55.82718,23.90698
twpcmbeC2.c1,2007,0413:30:00,30 ,31.17422,139.2735,60.56487,25.32929
twpcmbeC2.c1,2007,0414:30:00,30 ,11.05786,132.3529,52.31988,28.96512
twpcmbeC2.c1,2007,0415:30:00,30 ,7.823264, 121.305,41.65515,28.06255
twpcmbeC2.c1,2007,0416:30:00,30 ,4.828403,71.64133,37.51127,18.28873
twpcmbeC2.c1,2007,0417:30:00,30 ,3.372318,59.82024,29.96841,14.66158
twpcmbeC2.c1,2007,0418:30:00,30 ,11.39758,53.43275,27.55803,9.422995
twpcmbeC2.c1,2007,0419:30:00,30 ,       0,0.915076,0.393224,0.238581
twpcmbeC2.c1,2007,0420:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2007,0421:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2007,0422:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2007,0423:30:00,30 ,       0,       0,       0,       0