datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,1999,06 0:30:00,30 ,       0,0.032403,0.001714,0.006756
twpcmbeC2.c1,1999,06 1:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,1999,06 2:30:00,30 ,       0,0.132688,0.004423,0.024225
twpcmbeC2.c1,1999,06 3:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,1999,06 4:30:00,30 ,       0,0.570302, 0.01901,0.104122
twpcmbeC2.c1,1999,06 5:30:00,30 ,       0,0.131181,0.008138,0.031061
twpcmbeC2.c1,1999,06 6:30:00,30 ,1.684771,6.180648,3.387741,1.058255
twpcmbeC2.c1,1999,06 7:30:00,30 ,11.06907,40.65376,22.40392,8.147686
twpcmbeC2.c1,1999,06 8:30:00,30 ,4.902123,51.43654,27.02925,12.45149
twpcmbeC2.c1,1999,06 9:30:00,30 ,3.166475,67.47076,35.97931,14.12008
twpcmbeC2.c1,1999,0610:30:00,30 ,4.693454,78.11147,41.65704,17.39907
twpcmbeC2.c1,1999,0611:30:00,30 , 11.1466,109.6357,46.75781,21.68198
twpcmbeC2.c1,1999,0612:30:00,30 ,12.04345,111.3115,46.06672,22.04094
twpcmbeC2.c1,1999,0613:30:00,30 , 12.8731,134.0315,49.86557,26.71818
twpcmbeC2.c1,1999,0614:30:00,30 ,12.28017,123.0936,  42.539,22.79793
twpcmbeC2.c1,1999,0615:30:00,30 ,20.86162,59.98697,36.44243,10.26764
twpcmbeC2.c1,1999,0616:30:00,30 ,11.72572,77.40952,32.07572,16.55621
twpcmbeC2.c1,1999,0617:30:00,30 ,6.071669,54.42748,21.61697, 10.1848
twpcmbeC2.c1,1999,0618:30:00,30 ,12.26054,54.15278,22.43681,9.073197
twpcmbeC2.c1,1999,0619:30:00,30 ,       0,1.157652,0.403799,0.316717
twpcmbeC2.c1,1999,0620:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,1999,0621:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,1999,0622:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,1999,0623:30:00,30 ,       0,       0,       0,       0