datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2003,11 0:30:00,29 ,       0,0.063228,0.003292,0.012319
twpcmbeC1.c1,2003,11 1:30:00,30 ,       0, 0.00861,0.000287,0.001572
twpcmbeC1.c1,2003,11 2:30:00,30 ,       0,0.062112,0.004162,0.013651
twpcmbeC1.c1,2003,11 3:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,2003,11 4:30:00,30 ,       0,0.056673,0.002634, 0.01099
twpcmbeC1.c1,2003,11 5:30:00,30 ,       0,5.298043,2.138643,1.322441
twpcmbeC1.c1,2003,11 6:30:00,30 ,0.669102,54.45198,22.22374,14.48861
twpcmbeC1.c1,2003,11 7:30:00,30 ,1.936503,45.00228,22.79352,12.84744
twpcmbeC1.c1,2003,11 8:30:00,30 ,2.704672,79.35809,31.74302,24.03961
twpcmbeC1.c1,2003,11 9:30:00,29 ,  2.0899, 116.693,42.36289,30.76897
twpcmbeC1.c1,2003,1110:30:00,30 ,9.148298, 98.1215,49.55571,25.25653
twpcmbeC1.c1,2003,1111:30:00,30 ,2.414137,198.7971,69.90542,47.59765
twpcmbeC1.c1,2003,1112:30:00,30 , 7.20521,129.9573,57.40586,37.31258
twpcmbeC1.c1,2003,1113:30:00,30 ,2.458924,167.7604, 65.6356,49.23765
twpcmbeC1.c1,2003,1114:30:00,30 ,3.583528,122.8897,45.18603, 36.5447
twpcmbeC1.c1,2003,1115:30:00,30 ,8.307645,101.2951, 39.7124,24.91443
twpcmbeC1.c1,2003,1116:30:00,29 ,1.162655, 77.7826, 28.6283,15.38732
twpcmbeC1.c1,2003,1117:30:00,29 ,1.246359,66.54801,24.35909,13.17276
twpcmbeC1.c1,2003,1118:30:00,29 ,       0,3.517639,0.856962,0.709423
twpcmbeC1.c1,2003,1119:30:00,29 ,       0,0.042817,0.002138,0.008205
twpcmbeC1.c1,2003,1120:30:00,29 ,       0,0.054476,0.001878,0.010116
twpcmbeC1.c1,2003,1121:30:00,29 ,       0,0.005957,0.000349,0.001222
twpcmbeC1.c1,2003,1122:30:00,29 ,       0,0.039899,0.002392,0.008853
twpcmbeC1.c1,2003,1123:30:00,29 ,       0,0.064712,0.002729,0.012218