datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2004,12 0:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,12 1:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,12 2:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,12 3:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,12 4:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,12 5:30:00,31 ,       0,2.193076,0.653691,0.545958
twpcmbeC1.c1,2004,12 6:30:00,31 , 10.8889,42.18156,24.37698,7.944922
twpcmbeC1.c1,2004,12 7:30:00,31 ,4.871708,71.34378,29.25159,18.13895
twpcmbeC1.c1,2004,12 8:30:00,31 ,2.376714,100.9782, 34.8051,22.85967
twpcmbeC1.c1,2004,12 9:30:00,31 ,3.470948,75.31606,37.80905,18.98804
twpcmbeC1.c1,2004,1210:30:00,31 , 2.37756,137.6122,43.65936,33.41238
twpcmbeC1.c1,2004,1211:30:00,31 ,3.110201,131.3577,55.82756,37.95136
twpcmbeC1.c1,2004,1212:30:00,31 ,6.984735,138.2681,59.32991,35.60507
twpcmbeC1.c1,2004,1213:30:00,31 ,3.488455,171.3947,57.40431,38.47796
twpcmbeC1.c1,2004,1214:30:00,31 ,2.691656,121.3204,46.17995,26.56117
twpcmbeC1.c1,2004,1215:30:00,31 ,3.552127,97.21838, 39.5503,24.98809
twpcmbeC1.c1,2004,1216:30:00,31 ,3.154545,82.76387, 28.1065,19.87554
twpcmbeC1.c1,2004,1217:30:00,31 ,1.497545,58.76887,  25.644,12.36028
twpcmbeC1.c1,2004,1218:30:00,31 ,0.152206,15.30113,4.244672,3.128229
twpcmbeC1.c1,2004,1219:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,1220:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,1221:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,1222:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,1223:30:00,31 ,       0,       0,       0,       0