datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2002,05 0:30:00,31 ,       0,0.026667, 0.00193,0.005771
twpcmbeC1.c1,2002,05 1:30:00,31 ,       0,   0.022,0.001091,0.004118
twpcmbeC1.c1,2002,05 2:30:00,31 ,       0,0.027833,0.001422,0.005299
twpcmbeC1.c1,2002,05 3:30:00,31 ,       0,0.011167,0.000661,0.002191
twpcmbeC1.c1,2002,05 4:30:00,31 ,       0,0.007167,0.000231,0.001287
twpcmbeC1.c1,2002,05 5:30:00,31 ,       0,0.107497,0.037751,0.029852
twpcmbeC1.c1,2002,05 6:30:00,31 ,8.736835,43.11626,  27.787,6.784275
twpcmbeC1.c1,2002,05 7:30:00,31 ,35.15436,164.5371,97.45931,33.41939
twpcmbeC1.c1,2002,05 8:30:00,31 ,57.36216,316.5379,163.7462,68.45699
twpcmbeC1.c1,2002,05 9:30:00,31 ,76.50382,365.6667,204.8254,85.88702
twpcmbeC1.c1,2002,0510:30:00,31 ,35.75075,527.8846,247.8546,107.6246
twpcmbeC1.c1,2002,0511:30:00,31 ,24.61099,454.1626,244.0527,103.8254
twpcmbeC1.c1,2002,0512:30:00,31 ,48.03423,470.9919,227.9152,117.3242
twpcmbeC1.c1,2002,0513:30:00,31 , 78.3644,436.4791,  219.15,111.9085
twpcmbeC1.c1,2002,0514:30:00,31 ,73.44134,449.2663, 202.448,94.48542
twpcmbeC1.c1,2002,0515:30:00,30 ,37.66097,316.5474,155.8891,  68.215
twpcmbeC1.c1,2002,0516:30:00,31 ,14.31073,177.9725,107.9052,38.03969
twpcmbeC1.c1,2002,0517:30:00,31 ,8.943666,73.52116,43.31101,15.31344
twpcmbeC1.c1,2002,0518:30:00,31 ,0.069833,2.419186,1.202085,0.570043
twpcmbeC1.c1,2002,0519:30:00,31 ,       0,   0.002,0.000081,0.000362
twpcmbeC1.c1,2002,0520:30:00,31 ,       0,   0.027,0.000946,0.004853
twpcmbeC1.c1,2002,0521:30:00,31 ,       0,  0.0335,0.001871,0.006347
twpcmbeC1.c1,2002,0522:30:00,31 ,       0,0.006667,0.000362,0.001287
twpcmbeC1.c1,2002,0523:30:00,31 ,       0,   0.024,0.001565,0.004778