datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,1999,06 0:30:00,30 ,       0,0.009066,0.000587,0.002235
twpcmbeC2.c1,1999,06 1:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,1999,06 2:30:00,30 ,       0,0.036566,0.001219,0.006676
twpcmbeC2.c1,1999,06 3:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,1999,06 4:30:00,30 ,       0,0.607535,0.020251, 0.11092
twpcmbeC2.c1,1999,06 5:30:00,30 ,       0,1.317219,0.045066,0.240355
twpcmbeC2.c1,1999,06 6:30:00,30 ,0.964425, 3.11113,1.912738, 0.61585
twpcmbeC2.c1,1999,06 7:30:00,30 ,44.39983,136.4182,89.95204, 17.6465
twpcmbeC2.c1,1999,06 8:30:00,30 ,101.0815, 357.597, 266.348,58.35103
twpcmbeC2.c1,1999,06 9:30:00,30 ,115.7872,535.7087,450.4795,98.22589
twpcmbeC2.c1,1999,0610:30:00,30 ,290.4675,744.4453,635.7276,108.2898
twpcmbeC2.c1,1999,0611:30:00,30 ,357.0094, 890.611,753.7973,120.9964
twpcmbeC2.c1,1999,0612:30:00,30 ,401.0524,923.8682,776.3583,145.0034
twpcmbeC2.c1,1999,0613:30:00,30 ,194.1987,898.8149,749.9076,155.0702
twpcmbeC2.c1,1999,0614:30:00,30 ,67.91006,838.1491, 647.554,168.2136
twpcmbeC2.c1,1999,0615:30:00,30 ,207.9961,757.3851,557.7642,136.4197
twpcmbeC2.c1,1999,0616:30:00,30 ,129.8165,525.1125,380.8369,99.49292
twpcmbeC2.c1,1999,0617:30:00,30 ,80.95618,320.6064,219.1815,59.33038
twpcmbeC2.c1,1999,0618:30:00,30 ,20.51081,75.70688,52.06272,14.89555
twpcmbeC2.c1,1999,0619:30:00,30 ,       0,0.463013,0.133846,  0.1288
twpcmbeC2.c1,1999,0620:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,1999,0621:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,1999,0622:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,1999,0623:30:00,30 ,       0,       0,       0,       0