datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,06 0:30:00,24 ,       0,493.2112,34.35871,100.8745
sgpcmbeC1.c1,1997,06 1:30:00,25 ,       0,81.18835,19.38371, 26.9188
sgpcmbeC1.c1,1997,06 2:30:00,25 ,       0,276.8928,24.66539,56.19125
sgpcmbeC1.c1,1997,06 3:30:00,25 ,       0, 241.453,27.24931,56.67386
sgpcmbeC1.c1,1997,06 4:30:00,25 ,       0,353.6271,32.86637,74.06186
sgpcmbeC1.c1,1997,06 5:30:00,25 ,       0,232.4511, 31.8187,61.67365
sgpcmbeC1.c1,1997,06 6:30:00,25 ,       0,223.2785,36.36224,72.50108
sgpcmbeC1.c1,1997,06 7:30:00,26 ,       0,253.5149,38.14296,64.10723
sgpcmbeC1.c1,1997,06 8:30:00,26 ,       0,264.2212,34.18911,59.41011
sgpcmbeC1.c1,1997,06 9:30:00,26 ,       0,148.6786,30.56938,46.40275
sgpcmbeC1.c1,1997,0610:30:00,25 ,       0,173.8035, 28.3673,46.07768
sgpcmbeC1.c1,1997,0611:30:00,26 ,       0,151.4064,27.29263,40.02755
sgpcmbeC1.c1,1997,0612:30:00,25 ,       0,198.4155,25.42203,43.91694
sgpcmbeC1.c1,1997,0613:30:00,25 ,       0,368.4196,33.95053,76.20734
sgpcmbeC1.c1,1997,0614:30:00,25 ,       0,157.6828, 22.6813,33.34769
sgpcmbeC1.c1,1997,0615:30:00,24 ,       0,72.22741,18.19066,18.55045
sgpcmbeC1.c1,1997,0616:30:00,24 ,       0,123.9324,30.18578,37.72753
sgpcmbeC1.c1,1997,0617:30:00,24 ,       0,148.9134,23.51657,37.62696
sgpcmbeC1.c1,1997,0618:30:00,25 ,       0,60.96687,11.92636,18.73854
sgpcmbeC1.c1,1997,0619:30:00,24 ,       0,280.0122,23.64129,63.22107
sgpcmbeC1.c1,1997,0620:30:00,24 ,       0,192.4218,15.78558,41.31648
sgpcmbeC1.c1,1997,0621:30:00,25 ,       0,266.6054,29.32762,67.44765
sgpcmbeC1.c1,1997,0622:30:00,25 ,       0,461.6674,49.27369,107.3079
sgpcmbeC1.c1,1997,0623:30:00,25 ,       0,346.9678,29.62672,71.90649