datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2006,06 0:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,06 1:30:00,30 ,       0, 0.00013,4.322E-6,0.000024
twpcmbeC1.c1,2006,06 2:30:00,30 ,       0,0.001972,0.000066, 0.00036
twpcmbeC1.c1,2006,06 3:30:00,30 ,       0,0.001447,0.000048,0.000264
twpcmbeC1.c1,2006,06 4:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,06 5:30:00,30 ,       0, 0.04455,0.002494,0.008967
twpcmbeC1.c1,2006,06 6:30:00,30 ,3.350046,39.24881,20.98213,9.449571
twpcmbeC1.c1,2006,06 7:30:00,30 ,20.29047,157.7052,89.06141,36.27975
twpcmbeC1.c1,2006,06 8:30:00,30 ,71.40016,263.9259,160.2642,60.09363
twpcmbeC1.c1,2006,06 9:30:00,30 ,59.28064,394.9704,216.0466,89.21116
twpcmbeC1.c1,2006,0610:30:00,30 ,38.32159,447.0533,242.8804,107.2093
twpcmbeC1.c1,2006,0611:30:00,30 ,73.87269,506.4022,283.6142,114.2236
twpcmbeC1.c1,2006,0612:30:00,30 ,68.50562,490.7872,287.5558,103.1216
twpcmbeC1.c1,2006,0613:30:00,30 , 68.0031,416.2054,266.8414,91.30063
twpcmbeC1.c1,2006,0614:30:00,30 ,65.22547, 391.538, 229.173,89.48785
twpcmbeC1.c1,2006,0615:30:00,30 ,61.00651,325.7085,177.9238,63.02467
twpcmbeC1.c1,2006,0616:30:00,30 ,20.63806,205.5995,120.3806,40.87226
twpcmbeC1.c1,2006,0617:30:00,30 ,2.093039,83.54063,52.01232,19.45498
twpcmbeC1.c1,2006,0618:30:00,30 ,       0,3.761837,1.807699, 0.77369
twpcmbeC1.c1,2006,0619:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,0620:30:00,30 ,       0,0.001976,0.000066,0.000361
twpcmbeC1.c1,2006,0621:30:00,30 ,       0,0.000237,7.906E-6,0.000043
twpcmbeC1.c1,2006,0622:30:00,30 ,       0, 0.00484,0.000161,0.000884
twpcmbeC1.c1,2006,0623:30:00,30 ,       0,       0,       0,       0