datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,1997,06 0:30:00,23 ,       0,0.263349,0.043151,0.072921
twpcmbeC1.c1,1997,06 1:30:00,23 ,       0,0.236866,0.037366,0.063605
twpcmbeC1.c1,1997,06 2:30:00,23 ,       0,0.183069,0.031785,0.050437
twpcmbeC1.c1,1997,06 3:30:00,23 ,       0,0.122974,0.016662,0.030553
twpcmbeC1.c1,1997,06 4:30:00,23 ,       0,0.064437,0.006017, 0.01533
twpcmbeC1.c1,1997,06 5:30:00,23 ,       0,0.126847,0.016715,0.032791
twpcmbeC1.c1,1997,06 6:30:00,23 ,8.546866,48.72895,25.95578,9.485879
twpcmbeC1.c1,1997,06 7:30:00,23 ,65.74023,187.0192,102.6675,30.00671
twpcmbeC1.c1,1997,06 8:30:00,23 ,79.09652,286.2279,  166.56,58.04024
twpcmbeC1.c1,1997,06 9:30:00,23 ,76.39919,370.0526,228.8855,86.69724
twpcmbeC1.c1,1997,0610:30:00,23 ,86.92045,440.8623,237.9138,94.92216
twpcmbeC1.c1,1997,0611:30:00,23 ,99.98417,433.2723,239.6784, 96.2048
twpcmbeC1.c1,1997,0612:30:00,23 , 94.9974, 451.418,258.3271,102.8943
twpcmbeC1.c1,1997,0613:30:00,23 ,70.85474,426.5392,218.4679,105.7968
twpcmbeC1.c1,1997,0614:30:00,23 ,90.38375,402.3673,205.8433,93.42476
twpcmbeC1.c1,1997,0615:30:00,23 , 80.0212,290.1324,155.5118,65.80743
twpcmbeC1.c1,1997,0616:30:00,24 ,57.95033,175.9306,106.5711,31.60359
twpcmbeC1.c1,1997,0617:30:00,23 ,26.99849,74.80093,46.82586,10.68062
twpcmbeC1.c1,1997,0618:30:00,23 ,   0.754,2.586552,1.604276,0.544043
twpcmbeC1.c1,1997,0619:30:00,23 ,       0,0.138116,0.009461,  0.0308
twpcmbeC1.c1,1997,0620:30:00,23 ,       0,0.853617,0.080682, 0.18985
twpcmbeC1.c1,1997,0621:30:00,23 ,       0,2.574613,0.166186,0.530732
twpcmbeC1.c1,1997,0622:30:00,23 ,       0,2.015422,0.141705,0.413994
twpcmbeC1.c1,1997,0623:30:00,23 ,       0,0.621017,0.089536,0.136232