datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2003,01 0:30:00,20 ,8.121905,154.3053,43.86187,38.10013
twpcmbeC2.c1,2003,01 1:30:00,21 ,       0,106.2949,38.26319,38.01274
twpcmbeC2.c1,2003,01 2:30:00,22 ,       0,130.2563,45.17463,41.64529
twpcmbeC2.c1,2003,01 3:30:00,22 ,0.129127,104.8153, 31.8394,  28.383
twpcmbeC2.c1,2003,01 4:30:00,20 ,0.865719,103.4508,22.95369,25.39735
twpcmbeC2.c1,2003,01 5:30:00,20 ,0.196715,91.46405,24.89639,24.54257
twpcmbeC2.c1,2003,01 6:30:00,20 ,       0,114.6049,30.91024,32.19058
twpcmbeC2.c1,2003,01 7:30:00,19 ,0.158745,122.4994,30.11304,35.57521
twpcmbeC2.c1,2003,01 8:30:00,20 ,       0,63.76067,25.18028,17.89395
twpcmbeC2.c1,2003,01 9:30:00,22 ,       0,107.2202,33.88818,34.91862
twpcmbeC2.c1,2003,0110:30:00,21 ,       0, 133.834,27.39138,33.53883
twpcmbeC2.c1,2003,0111:30:00,22 ,0.054686, 148.435,41.09848,43.75534
twpcmbeC2.c1,2003,0112:30:00,19 ,0.174066,113.3893,21.72425,28.81624
twpcmbeC2.c1,2003,0113:30:00,20 ,       0,80.69662, 27.7883,24.65441
twpcmbeC2.c1,2003,0114:30:00,22 ,       0,99.44631,18.37925, 24.0892
twpcmbeC2.c1,2003,0115:30:00,21 ,       0,114.2833,29.34129,34.89843
twpcmbeC2.c1,2003,0116:30:00,23 ,       0,121.0099, 37.8144,38.48446
twpcmbeC2.c1,2003,0117:30:00,23 ,       0,131.8729,41.09979,39.35694
twpcmbeC2.c1,2003,0118:30:00,21 ,0.043667, 121.486,35.26639,33.30456
twpcmbeC2.c1,2003,0119:30:00,19 ,       0,78.38601,29.70831,22.98903
twpcmbeC2.c1,2003,0120:30:00,20 ,0.586682,129.1057,35.24732,34.57973
twpcmbeC2.c1,2003,0121:30:00,20 , 0.08885,82.58637,28.83684,29.64685
twpcmbeC2.c1,2003,0122:30:00,21 ,1.264545,121.8045,34.54273,30.41998
twpcmbeC2.c1,2003,0123:30:00,21 ,1.941553,130.2619,43.11501,40.28465