datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2005,04 0:30:00,30 ,       0,0.400977, 0.05517,0.104715
twpcmbeC1.c1,2005,04 1:30:00,30 ,       0,0.505664,0.055862,0.132915
twpcmbeC1.c1,2005,04 2:30:00,30 ,       0,0.417371,0.032907,0.093535
twpcmbeC1.c1,2005,04 3:30:00,30 ,       0,0.080733,0.002691, 0.01474
twpcmbeC1.c1,2005,04 4:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,2005,04 5:30:00,30 ,       0,0.138495,  0.0163,0.038785
twpcmbeC1.c1,2005,04 6:30:00,30 ,0.606653,48.89756,25.31891,15.14443
twpcmbeC1.c1,2005,04 7:30:00,30 , 2.27124, 128.573, 58.3925,34.33285
twpcmbeC1.c1,2005,04 8:30:00,30 , 2.85077,207.6161,87.64997,46.27113
twpcmbeC1.c1,2005,04 9:30:00,30 ,4.184847,227.8301,99.55924,54.48993
twpcmbeC1.c1,2005,0410:30:00,30 ,25.98803,321.3541,131.3465,85.53812
twpcmbeC1.c1,2005,0411:30:00,30 ,9.662377,366.6714,138.7236,105.8538
twpcmbeC1.c1,2005,0412:30:00,30 ,   3.391,366.2671,117.3377,99.89163
twpcmbeC1.c1,2005,0413:30:00,30 ,8.716235,333.9343,111.7381, 92.3433
twpcmbeC1.c1,2005,0414:30:00,30 ,13.06612,320.1709,125.7478,83.85295
twpcmbeC1.c1,2005,0415:30:00,30 ,4.410437,303.1063,93.06959, 74.0787
twpcmbeC1.c1,2005,0416:30:00,30 ,5.448362,193.0086,64.60666,50.79568
twpcmbeC1.c1,2005,0417:30:00,30 ,2.110214,81.87002,32.16092,18.24198
twpcmbeC1.c1,2005,0418:30:00,29 ,       0,8.057294, 3.53585,1.932438
twpcmbeC1.c1,2005,0419:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,2005,0420:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,2005,0421:30:00,30 ,       0,0.145786, 0.00486,0.026617
twpcmbeC1.c1,2005,0422:30:00,30 ,       0,0.410431,0.036205,0.105618
twpcmbeC1.c1,2005,0423:30:00,30 ,       0,0.364453,0.033024,0.086413