datastream, year, month, tod,n, min, max, mean, std
twpcmbeC3.c1,2003,07 0:00:00,31 ,       0,0.012254,0.000395,0.002201
twpcmbeC3.c1,2003,07 1:00:00,31 ,       0,0.002515,0.000081,0.000452
twpcmbeC3.c1,2003,07 2:00:00,31 ,       0,0.002867,0.000092,0.000515
twpcmbeC3.c1,2003,07 3:00:00,31 ,       0,0.007241, 0.00044,0.001464
twpcmbeC3.c1,2003,07 4:00:00,31 ,       0,0.009291, 0.00049,0.001948
twpcmbeC3.c1,2003,07 5:00:00,31 ,       0,0.007003,0.000226,0.001258
twpcmbeC3.c1,2003,07 6:00:00,31 ,       0,       0,       0,       0
twpcmbeC3.c1,2003,07 7:00:00,31 ,       0,13.49328,6.765354,2.282718
twpcmbeC3.c1,2003,07 8:00:00,31 ,5.593687,47.02462,16.14417,11.20589
twpcmbeC3.c1,2003,07 9:00:00,31 ,0.516921,55.71177,12.42389, 15.8906
twpcmbeC3.c1,2003,0710:00:00,31 ,  0.5827,96.76447,15.32943,25.67421
twpcmbeC3.c1,2003,0711:00:00,31 ,0.719888,76.57642,9.981044,17.41647
twpcmbeC3.c1,2003,0712:00:00,31 ,0.393537,74.13994, 15.1419,  22.211
twpcmbeC3.c1,2003,0713:00:00,31 ,0.249051,88.79601,21.59528,26.53894
twpcmbeC3.c1,2003,0714:00:00,31 ,0.515935,65.40694,18.38807,20.66441
twpcmbeC3.c1,2003,0715:00:00,31 ,1.135481,96.84707,14.49198, 21.7308
twpcmbeC3.c1,2003,0716:00:00,31 ,1.051805,95.10099,11.44289,19.25672
twpcmbeC3.c1,2003,0717:00:00,31 ,3.274377,50.02317,10.23911,11.44262
twpcmbeC3.c1,2003,0718:00:00,31 ,5.189129,34.50085, 14.5506,5.948982
twpcmbeC3.c1,2003,0719:00:00,31 ,0.577372,3.753892,2.547076,0.794586
twpcmbeC3.c1,2003,0720:00:00,31 ,       0,       0,       0,       0
twpcmbeC3.c1,2003,0721:00:00,31 ,       0,       0,       0,       0
twpcmbeC3.c1,2003,0722:00:00,31 ,       0,       0,       0,       0
twpcmbeC3.c1,2003,0723:00:00,31 ,       0,       0,       0,       0