datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,06 0:30:00,29 ,       0,1.137569,0.044856,0.212331
sgpcmbeC1.c1,2004,06 1:30:00,29 ,       0,0.717311,0.041514,0.140899
sgpcmbeC1.c1,2004,06 2:30:00,30 ,       0,0.524303,0.032914,0.117146
sgpcmbeC1.c1,2004,06 3:30:00,30 ,       0, 0.28266,0.014781,0.058484
sgpcmbeC1.c1,2004,06 4:30:00,30 ,       0,0.705868,0.040177,0.135296
sgpcmbeC1.c1,2004,06 5:30:00,30 ,1.052945, 33.2608,18.25133,10.19814
sgpcmbeC1.c1,2004,06 6:30:00,30 ,       0,191.7538,104.6492,61.87054
sgpcmbeC1.c1,2004,06 7:30:00,30 ,6.977065,400.1206,214.9128,126.3212
sgpcmbeC1.c1,2004,06 8:30:00,29 ,6.205064,600.5657,359.8465,204.3474
sgpcmbeC1.c1,2004,06 9:30:00,29 ,18.07767,781.3373, 475.909,282.6129
sgpcmbeC1.c1,2004,0610:30:00,29 ,75.56677, 922.489, 574.653,276.7369
sgpcmbeC1.c1,2004,0611:30:00,29 ,37.62959,1009.987,645.3646,322.7753
sgpcmbeC1.c1,2004,0612:30:00,29 ,4.947861, 1038.38,740.3568,308.4882
sgpcmbeC1.c1,2004,0613:30:00,29 ,33.66748,1012.424,739.0679,239.8369
sgpcmbeC1.c1,2004,0614:30:00,29 ,165.1555,927.5071,714.3468, 205.933
sgpcmbeC1.c1,2004,0615:30:00,29 ,128.5544, 799.526,633.1451,166.0085
sgpcmbeC1.c1,2004,0616:30:00,29 ,69.17173,616.0367,465.9977,136.8092
sgpcmbeC1.c1,2004,0617:30:00,29 ,74.88247,416.9582,306.1471, 81.2208
sgpcmbeC1.c1,2004,0618:30:00,29 ,51.67147,209.7383,142.8668,45.96604
sgpcmbeC1.c1,2004,0619:30:00,29 ,7.108602,54.89021,26.15008, 13.4681
sgpcmbeC1.c1,2004,0620:30:00,29 ,       0,0.399254,0.030169,0.096166
sgpcmbeC1.c1,2004,0621:30:00,28 ,       0,0.101406, 0.00721,0.026474
sgpcmbeC1.c1,2004,0622:30:00,27 ,       0, 0.15792,0.007748,0.031591
sgpcmbeC1.c1,2004,0623:30:00,27 ,       0,0.648671,0.024025,0.124837