datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,06 0:30:00,28 ,0.156907,267.7375,34.12372,61.36478
sgpcmbeC1.c1,1999,06 1:30:00,26 ,       0,395.9503,49.61222,97.99694
sgpcmbeC1.c1,1999,06 2:30:00,26 ,       0,267.3345,28.80501,55.56303
sgpcmbeC1.c1,1999,06 3:30:00,27 ,       0,269.4734,47.93965,70.69782
sgpcmbeC1.c1,1999,06 4:30:00,26 ,       0,253.8823,38.03609,59.98017
sgpcmbeC1.c1,1999,06 5:30:00,27 ,       0,281.5635,43.19978,69.93289
sgpcmbeC1.c1,1999,06 6:30:00,28 ,       0,277.6908,55.53451, 89.5492
sgpcmbeC1.c1,1999,06 7:30:00,28 ,       0,215.2025, 37.5414,56.80616
sgpcmbeC1.c1,1999,06 8:30:00,28 ,       0,247.7688,37.76274, 61.1974
sgpcmbeC1.c1,1999,06 9:30:00,29 ,       0,228.7008,33.81205,57.60677
sgpcmbeC1.c1,1999,0610:30:00,28 ,       0,306.1096,38.63792,76.46381
sgpcmbeC1.c1,1999,0611:30:00,28 ,       0,239.4998,38.63517,59.14447
sgpcmbeC1.c1,1999,0612:30:00,28 ,       0,274.4554,55.45431,75.66333
sgpcmbeC1.c1,1999,0613:30:00,28 ,       0,250.3977,44.45573,61.50164
sgpcmbeC1.c1,1999,0614:30:00,29 ,       0,220.2892,49.45021, 67.5817
sgpcmbeC1.c1,1999,0615:30:00,28 ,       0,274.6784,52.86513,83.71419
sgpcmbeC1.c1,1999,0616:30:00,27 ,       0,161.0608,30.28071, 42.9746
sgpcmbeC1.c1,1999,0617:30:00,28 ,       0,226.2203,38.97997,57.34943
sgpcmbeC1.c1,1999,0618:30:00,29 ,       0,156.7656,29.56851,42.68041
sgpcmbeC1.c1,1999,0619:30:00,29 ,       0,176.2498,27.18647,46.23358
sgpcmbeC1.c1,1999,0620:30:00,28 ,       0, 234.444,24.64264,53.88037
sgpcmbeC1.c1,1999,0621:30:00,28 ,       0,143.5144, 15.9823,29.70892
sgpcmbeC1.c1,1999,0622:30:00,28 ,0.190426,86.47989,15.72287,22.08026
sgpcmbeC1.c1,1999,0623:30:00,28 ,       0,160.8735,31.75033,48.43398