datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2003,06 0:30:00,23 ,       0, 101.978,19.66233, 25.3352
twpcmbeC2.c1,2003,06 1:30:00,21 ,       0,98.00945,21.80654,27.21276
twpcmbeC2.c1,2003,06 2:30:00,22 ,       0,331.8062, 57.6422,101.4462
twpcmbeC2.c1,2003,06 3:30:00,21 ,       0, 598.723,82.03355, 166.514
twpcmbeC2.c1,2003,06 4:30:00,21 ,       0,266.9457,46.26996,79.24898
twpcmbeC2.c1,2003,06 5:30:00,20 ,       0,176.6662,36.68134,49.86721
twpcmbeC2.c1,2003,06 6:30:00,21 ,       0,122.3406,28.17453,34.85559
twpcmbeC2.c1,2003,06 7:30:00,23 ,       0,327.7064,34.99184,73.33776
twpcmbeC2.c1,2003,06 8:30:00,24 ,       0,222.8097,19.07954,44.42638
twpcmbeC2.c1,2003,06 9:30:00,25 ,       0,  226.01,26.10161,50.00062
twpcmbeC2.c1,2003,0610:30:00,24 ,       0,268.3821,27.35946,56.15215
twpcmbeC2.c1,2003,0611:30:00,24 ,       0,85.10367,14.76099,19.13531
twpcmbeC2.c1,2003,0612:30:00,23 ,       0,163.4437, 29.5345,46.33004
twpcmbeC2.c1,2003,0613:30:00,24 ,       0,199.2883,32.04532,44.58436
twpcmbeC2.c1,2003,0614:30:00,24 ,       0,193.0942,36.35848,47.35843
twpcmbeC2.c1,2003,0615:30:00,24 ,       0,  184.41,38.13862,52.60775
twpcmbeC2.c1,2003,0616:30:00,24 ,       0,112.8047,25.13212,31.53803
twpcmbeC2.c1,2003,0617:30:00,23 ,       0,111.6131,20.04262,25.19177
twpcmbeC2.c1,2003,0618:30:00,22 ,       0,50.97474,17.47905,15.07361
twpcmbeC2.c1,2003,0619:30:00,22 , 0.00969,597.3673,44.65154,127.9283
twpcmbeC2.c1,2003,0620:30:00,22 ,0.147762,304.9435,26.16804,63.81646
twpcmbeC2.c1,2003,0621:30:00,23 ,       0,76.69212, 13.2264,19.12345
twpcmbeC2.c1,2003,0622:30:00,23 ,       0,78.39344,16.89148,18.78779
twpcmbeC2.c1,2003,0623:30:00,23 ,       0,362.8645,50.44377,100.7697