datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,1999,04 0:30:00,27 ,       0,98.85433,22.46607,23.83998
twpcmbeC2.c1,1999,04 1:30:00,26 ,0.386421,67.83686,22.78574,20.21304
twpcmbeC2.c1,1999,04 2:30:00,26 ,       0,41.98352,13.78033,11.44702
twpcmbeC2.c1,1999,04 3:30:00,27 ,       0,61.65284, 17.1389,13.49051
twpcmbeC2.c1,1999,04 4:30:00,27 ,       0,86.29262,20.49551,21.87807
twpcmbeC2.c1,1999,04 5:30:00,27 ,       0,125.2312,23.65124,28.89275
twpcmbeC2.c1,1999,04 6:30:00,27 ,       0,79.36061,17.32772,19.19905
twpcmbeC2.c1,1999,04 7:30:00,27 ,       0,97.72412,14.29375,19.43712
twpcmbeC2.c1,1999,04 8:30:00,26 ,       0,62.71457,13.74049,14.02684
twpcmbeC2.c1,1999,04 9:30:00,26 ,       0,69.73236,14.78818, 17.7258
twpcmbeC2.c1,1999,0410:30:00,27 ,       0,70.95704,16.04775,18.12809
twpcmbeC2.c1,1999,0411:30:00,27 ,       0,78.35198,14.65239,16.90041
twpcmbeC2.c1,1999,0412:30:00,27 ,       0,100.6055,19.70724, 20.9582
twpcmbeC2.c1,1999,0413:30:00,27 ,       0,64.01883,21.62692,20.51464
twpcmbeC2.c1,1999,0414:30:00,27 ,       0,65.23875,17.20032,19.21483
twpcmbeC2.c1,1999,0415:30:00,27 ,0.098979,64.53387,17.57717,16.47786
twpcmbeC2.c1,1999,0416:30:00,27 ,0.083377,74.32481,16.76862,19.75444
twpcmbeC2.c1,1999,0417:30:00,27 ,0.496897,89.77537,18.20968,20.64218
twpcmbeC2.c1,1999,0418:30:00,27 , 0.36221,88.53551,21.79906,22.94899
twpcmbeC2.c1,1999,0419:30:00,27 ,       0,81.50837,19.94259, 21.3331
twpcmbeC2.c1,1999,0420:30:00,27 ,       0,64.39427,14.25713,17.98519
twpcmbeC2.c1,1999,0421:30:00,27 ,       0,88.77755,18.71068,23.74899
twpcmbeC2.c1,1999,0422:30:00,27 ,0.057138,57.55747,14.63518, 15.6362
twpcmbeC2.c1,1999,0423:30:00,27 ,       0,  63.293, 17.1484,17.28373