datastream, year, month, tod,n, min, max, mean, std
twpcmbeC3.c1,2003,12 0:00:00,31 ,       0,0.008333,0.000525,0.001832
twpcmbeC3.c1,2003,12 1:00:00,30 ,       0,0.006949,0.000332,0.001364
twpcmbeC3.c1,2003,12 2:00:00,29 ,       0,0.036304,0.001298,0.006737
twpcmbeC3.c1,2003,12 3:00:00,29 ,       0,0.220227,0.009456,0.041757
twpcmbeC3.c1,2003,12 4:00:00,30 ,       0,       0,       0,       0
twpcmbeC3.c1,2003,12 5:00:00,30 ,       0,       0,       0,       0
twpcmbeC3.c1,2003,12 6:00:00,30 ,       0,0.733044,0.266281,0.241479
twpcmbeC3.c1,2003,12 7:00:00,30 ,    1.05, 27.4385,11.41289,7.186775
twpcmbeC3.c1,2003,12 8:00:00,30 ,1.825666,66.09218,36.12359,20.59483
twpcmbeC3.c1,2003,12 9:00:00,29 ,3.865319,103.3315,60.10224,28.11496
twpcmbeC3.c1,2003,1210:00:00,30 ,    6.44,137.7885,90.49677,33.46699
twpcmbeC3.c1,2003,1211:00:00,31 ,3.281429,168.8343,100.9374,47.57981
twpcmbeC3.c1,2003,1212:00:00,30 , 7.50973,167.0634,102.2358,43.85328
twpcmbeC3.c1,2003,1213:00:00,30 ,11.57633,166.3853,107.3862,44.98029
twpcmbeC3.c1,2003,1214:00:00,30 ,10.33231,166.6362,99.51393,49.70713
twpcmbeC3.c1,2003,1215:00:00,31 ,2.516315,148.1463,81.00181,47.33664
twpcmbeC3.c1,2003,1216:00:00,31 ,6.357714,117.9273,66.13673,38.49999
twpcmbeC3.c1,2003,1217:00:00,31 ,  3.8052,92.80181, 41.8088,26.70789
twpcmbeC3.c1,2003,1218:00:00,29 ,0.348889,38.25982,15.53827,10.53213
twpcmbeC3.c1,2003,1219:00:00,31 ,       0,4.608334,1.702352,1.515325
twpcmbeC3.c1,2003,1220:00:00,30 ,       0,  0.0085,0.000283,0.001552
twpcmbeC3.c1,2003,1221:00:00,30 ,       0,       0,       0,       0
twpcmbeC3.c1,2003,1222:00:00,30 ,       0,0.061111,0.002037,0.011157
twpcmbeC3.c1,2003,1223:00:00,31 ,       0,       0,       0,       0