datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,1999,07 0:30:00,31 ,       0,0.097258,0.004229,0.018294
twpcmbeC2.c1,1999,07 1:30:00,31 ,       0,0.078841, 0.00272,0.014162
twpcmbeC2.c1,1999,07 2:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,1999,07 3:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,1999,07 4:30:00,31 ,       0,0.050994,0.001645,0.009159
twpcmbeC2.c1,1999,07 5:30:00,31 ,       0,0.065249,0.004132,0.015996
twpcmbeC2.c1,1999,07 6:30:00,31 ,0.104978, 3.32735,1.626856,0.641045
twpcmbeC2.c1,1999,07 7:30:00,31 ,13.21849,37.00615,24.07282,6.376223
twpcmbeC2.c1,1999,07 8:30:00,31 ,3.332127,54.47092,24.41057,11.79822
twpcmbeC2.c1,1999,07 9:30:00,31 ,9.156643, 101.902,33.87916,20.66273
twpcmbeC2.c1,1999,0710:30:00,31 ,3.683244,122.5597,40.47005,23.99917
twpcmbeC2.c1,1999,0711:30:00,31 ,3.865266,109.0653,45.53709,25.38865
twpcmbeC2.c1,1999,0712:30:00,31 ,9.132004,169.3499,57.33401,34.45275
twpcmbeC2.c1,1999,0713:30:00,31 ,16.21535,119.7283,55.43722,27.93461
twpcmbeC2.c1,1999,0714:30:00,31 ,7.958576,110.8724,43.24398,22.36294
twpcmbeC2.c1,1999,0715:30:00,31 ,12.53151,75.14925,36.95803,  15.895
twpcmbeC2.c1,1999,0716:30:00,31 ,5.452072,74.26736,30.56093,17.86801
twpcmbeC2.c1,1999,0717:30:00,31 , 6.48614,59.48286,24.10178,12.65098
twpcmbeC2.c1,1999,0718:30:00,31 ,8.160617,42.05191,22.00636,7.628035
twpcmbeC2.c1,1999,0719:30:00,31 ,0.329685,1.492914,0.787784,0.314492
twpcmbeC2.c1,1999,0720:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,1999,0721:30:00,31 ,       0,0.062046,0.002001,0.011144
twpcmbeC2.c1,1999,0722:30:00,31 ,       0,0.132372,0.008053,0.031233
twpcmbeC2.c1,1999,0723:30:00,31 ,       0,0.089746,0.005986,0.020128