datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2004,12 0:30:00,31 ,       0, 0.69433,0.059532,0.169428
twpcmbeC1.c1,2004,12 1:30:00,31 ,       0,0.630413,0.030717,0.114419
twpcmbeC1.c1,2004,12 2:30:00,31 ,       0,0.314783,0.014226,0.058136
twpcmbeC1.c1,2004,12 3:30:00,31 ,       0, 0.07448,0.002993,0.013668
twpcmbeC1.c1,2004,12 4:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,12 5:30:00,31 ,       0,  0.0015,0.000244,0.000373
twpcmbeC1.c1,2004,12 6:30:00,31 ,0.066747, 43.8719,12.69409, 11.9898
twpcmbeC1.c1,2004,12 7:30:00,31 ,0.956997, 244.381,95.39985,72.08472
twpcmbeC1.c1,2004,12 8:30:00,31 , 0.90707,454.3205,227.2821,152.0963
twpcmbeC1.c1,2004,12 9:30:00,31 ,0.526657, 640.199,294.5894,215.6253
twpcmbeC1.c1,2004,1210:30:00,31 ,0.204907,799.3752,375.3367,265.0788
twpcmbeC1.c1,2004,1211:30:00,31 ,0.214834,859.2567,442.8238,292.1731
twpcmbeC1.c1,2004,1212:30:00,31 ,0.051426,871.1345,406.2017,285.9064
twpcmbeC1.c1,2004,1213:30:00,31 ,0.077072,783.7161,328.1968, 268.137
twpcmbeC1.c1,2004,1214:30:00,31 ,0.031113,626.5306,216.9692,219.5107
twpcmbeC1.c1,2004,1215:30:00,31 ,0.105812,458.4792,128.4814,148.8193
twpcmbeC1.c1,2004,1216:30:00,31 ,       0,251.9243,58.70465,73.11182
twpcmbeC1.c1,2004,1217:30:00,31 ,0.000497,78.57838,12.94015, 20.8446
twpcmbeC1.c1,2004,1218:30:00,31 ,3.338E-6,1.653194,0.106428, 0.32273
twpcmbeC1.c1,2004,1219:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,1220:30:00,31 ,       0,0.172215,0.005555,0.030931
twpcmbeC1.c1,2004,1221:30:00,31 ,       0,0.477945,0.016206,0.085807
twpcmbeC1.c1,2004,1222:30:00,31 ,       0,0.537662,0.038275,0.118932
twpcmbeC1.c1,2004,1223:30:00,31 ,       0,0.513212,0.054751,0.144026