datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2003,12 0:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,2003,12 1:30:00,30 ,       0,0.013945,0.000465,0.002546
twpcmbeC1.c1,2003,12 2:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,2003,12 3:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,2003,12 4:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,2003,12 5:30:00,30 ,       0,2.809862,0.675935,0.783221
twpcmbeC1.c1,2003,12 6:30:00,30 ,0.737472,51.75723,  20.012,10.11139
twpcmbeC1.c1,2003,12 7:30:00,30 ,0.000072,77.35436,22.66381, 18.9185
twpcmbeC1.c1,2003,12 8:30:00,31 ,0.000239,61.82333,31.41294,16.88649
twpcmbeC1.c1,2003,12 9:30:00,31 , 0.01805,144.6788,39.27184,29.69343
twpcmbeC1.c1,2003,1210:30:00,31 ,0.000012, 112.016,44.08295,29.91189
twpcmbeC1.c1,2003,1211:30:00,31 ,0.000012,146.3652,42.80534,32.22014
twpcmbeC1.c1,2003,1212:30:00,31 ,0.000011,102.0171,41.58164,27.44659
twpcmbeC1.c1,2003,1213:30:00,31 ,0.000011,122.8594,39.13347,28.17775
twpcmbeC1.c1,2003,1214:30:00,31 , 0.00001,89.66955,31.04998,25.52555
twpcmbeC1.c1,2003,1215:30:00,31 ,0.000012,69.78242,31.24606,19.26039
twpcmbeC1.c1,2003,1216:30:00,31 ,0.000012,66.30537,30.96927, 20.7976
twpcmbeC1.c1,2003,1217:30:00,30 ,0.222664,47.83264,22.91578,10.66614
twpcmbeC1.c1,2003,1218:30:00,30 ,0.064721,6.933003,3.163425,1.657748
twpcmbeC1.c1,2003,1219:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,2003,1220:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,2003,1221:30:00,30 ,       0,0.033211,0.001107,0.006064
twpcmbeC1.c1,2003,1222:30:00,30 ,       0, 0.02432,0.000811, 0.00444
twpcmbeC1.c1,2003,1223:30:00,30 ,       0,       0,       0,       0