datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2002,08 0:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,08 1:30:00,31 ,       0,0.043722, 0.00141,0.007853
twpcmbeC2.c1,2002,08 2:30:00,31 ,       0,0.071298,  0.0023,0.012806
twpcmbeC2.c1,2002,08 3:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,08 4:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,08 5:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,08 6:30:00,31 ,       0,2.424382,1.149105,0.709333
twpcmbeC2.c1,2002,08 7:30:00,31 ,1.758349,49.68153,31.43368,11.80079
twpcmbeC2.c1,2002,08 8:30:00,31 ,4.879768,60.90313,34.38623,14.39176
twpcmbeC2.c1,2002,08 9:30:00,31 ,1.763037,80.17895,35.06561,22.01945
twpcmbeC2.c1,2002,0810:30:00,31 ,2.186194,122.6651,51.56375,32.29309
twpcmbeC2.c1,2002,0811:30:00,31 ,3.129112,121.7216,49.45309,29.59899
twpcmbeC2.c1,2002,0812:30:00,31 ,1.805119,131.3148,58.53797,30.45025
twpcmbeC2.c1,2002,0813:30:00,31 ,2.000977,205.7968,64.34443,46.04323
twpcmbeC2.c1,2002,0814:30:00,31 ,9.824682,179.5018, 62.1977,43.75128
twpcmbeC2.c1,2002,0815:30:00,31 ,6.063663,172.7715,53.99937,38.00209
twpcmbeC2.c1,2002,0816:30:00,31 ,3.342389, 140.685,41.05799,30.01379
twpcmbeC2.c1,2002,0817:30:00,31 ,4.385313,70.93967,30.41764,18.03561
twpcmbeC2.c1,2002,0818:30:00,31 ,2.008811,53.70736,24.36725,12.29114
twpcmbeC2.c1,2002,0819:30:00,31 ,       0,1.809668,0.517827,0.448904
twpcmbeC2.c1,2002,0820:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,0821:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,0822:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,0823:30:00,30 ,       0,       0,       0,       0