datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,1999,01 0:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,1999,01 1:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,1999,01 2:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,1999,01 3:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,1999,01 4:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,1999,01 5:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,1999,01 6:30:00,30 ,0.277769, 3.13992,1.402811,0.759635
twpcmbeC2.c1,1999,01 7:30:00,30 ,11.33098,58.12434,26.07998,9.331775
twpcmbeC2.c1,1999,01 8:30:00,30 ,2.435046, 58.9791,24.83503,12.61958
twpcmbeC2.c1,1999,01 9:30:00,30 ,4.220262,115.0711,31.37728,23.99797
twpcmbeC2.c1,1999,0110:30:00,30 ,3.076535,134.5377,51.59777,29.73579
twpcmbeC2.c1,1999,0111:30:00,30 ,7.544319,113.8052,51.24995, 27.6528
twpcmbeC2.c1,1999,0112:30:00,30 ,4.674633,121.5084, 50.9575,27.80638
twpcmbeC2.c1,1999,0113:30:00,30 ,16.29887,177.0433,61.82894,39.63804
twpcmbeC2.c1,1999,0114:30:00,30 ,10.14798,136.9489,51.22733,27.59648
twpcmbeC2.c1,1999,0115:30:00,30 ,4.527329, 112.092,44.62636,26.55143
twpcmbeC2.c1,1999,0116:30:00,30 ,5.884259,96.97389,34.57717,20.35557
twpcmbeC2.c1,1999,0117:30:00,30 ,6.059086,  44.538,22.42115,11.52758
twpcmbeC2.c1,1999,0118:30:00,30 , 10.1617, 46.7518,26.26898,8.080536
twpcmbeC2.c1,1999,0119:30:00,30 ,0.603896,3.358902,2.124092, 0.79136
twpcmbeC2.c1,1999,0120:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,1999,0121:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,1999,0122:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,1999,0123:30:00,30 ,       0,       0,       0,       0