datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,1998,05 0:30:00,31 ,       0,0.414336,0.094048,0.132504
twpcmbeC1.c1,1998,05 1:30:00,31 ,       0,0.591626,0.089016,0.133346
twpcmbeC1.c1,1998,05 2:30:00,31 ,       0,0.440684,0.054772,0.102236
twpcmbeC1.c1,1998,05 3:30:00,31 ,       0,0.347086, 0.04592,0.085757
twpcmbeC1.c1,1998,05 4:30:00,31 ,       0,0.253561,0.034288,0.070055
twpcmbeC1.c1,1998,05 5:30:00,31 ,       0,0.173394,0.014292,0.032872
twpcmbeC1.c1,1998,05 6:30:00,31 ,0.003405,39.58362,16.33536,15.24548
twpcmbeC1.c1,1998,05 7:30:00,31 ,0.025397,108.6892,52.08234,33.87055
twpcmbeC1.c1,1998,05 8:30:00,31 ,0.129212,198.1379,83.79867, 54.9547
twpcmbeC1.c1,1998,05 9:30:00,31 ,0.486404,282.2021,117.7131,78.31624
twpcmbeC1.c1,1998,0510:30:00,31 , 0.48304,313.8328,119.7653,99.40906
twpcmbeC1.c1,1998,0511:30:00,31 , 1.18325, 336.776, 177.798,102.3349
twpcmbeC1.c1,1998,0512:30:00,31 ,0.401809,378.7366,178.9326,121.3402
twpcmbeC1.c1,1998,0513:30:00,31 ,  1.8331,342.9244,123.8408,105.9784
twpcmbeC1.c1,1998,0514:30:00,31 ,2.914395,343.1298,143.8838,113.7319
twpcmbeC1.c1,1998,0515:30:00,31 ,0.021853,243.3706,76.16305,72.35104
twpcmbeC1.c1,1998,0516:30:00,31 ,       0,135.9081,55.04157,44.60657
twpcmbeC1.c1,1998,0517:30:00,31 ,       0,60.61377, 18.6444,20.84877
twpcmbeC1.c1,1998,0518:30:00,31 ,       0, 0.17229,0.013962,0.031946
twpcmbeC1.c1,1998,0519:30:00,31 ,       0,0.000999,0.000032,0.000179
twpcmbeC1.c1,1998,0520:30:00,31 ,       0,0.028047,0.001803, 0.00698
twpcmbeC1.c1,1998,0521:30:00,31 ,       0,0.219125, 0.01327, 0.04291
twpcmbeC1.c1,1998,0522:30:00,31 ,       0,0.429192,0.050643,0.098406
twpcmbeC1.c1,1998,0523:30:00,31 ,       0,0.563285,0.071416,0.137317