datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,07 0:30:00,31 ,410.7434,434.8876,424.0386,6.031313
sgpcmbeC1.c1,2007,07 1:30:00,31 ,409.3085,433.0852,422.1917,5.516139
sgpcmbeC1.c1,2007,07 2:30:00,31 ,405.6498,431.1096,421.3303,5.658241
sgpcmbeC1.c1,2007,07 3:30:00,31 ,406.9115, 432.553,419.6493,5.856281
sgpcmbeC1.c1,2007,07 4:30:00,31 ,407.0635,431.6176,418.4512, 6.27697
sgpcmbeC1.c1,2007,07 5:30:00,31 ,404.8413,432.0622,418.7979,7.004477
sgpcmbeC1.c1,2007,07 6:30:00,31 ,408.3484,437.0955,425.7941,6.387107
sgpcmbeC1.c1,2007,07 7:30:00,31 ,410.5624,449.4548,436.2172, 9.15703
sgpcmbeC1.c1,2007,07 8:30:00,31 ,417.4839,469.1874,451.2832,14.39268
sgpcmbeC1.c1,2007,07 9:30:00,31 ,423.5233,483.7889, 464.844,18.14686
sgpcmbeC1.c1,2007,0710:30:00,31 ,  424.27, 497.334,474.5819,19.67853
sgpcmbeC1.c1,2007,0711:30:00,30 , 436.778,503.3308,480.5267,20.07483
sgpcmbeC1.c1,2007,0712:30:00,28 ,442.0142,507.6973,485.0324,18.12304
sgpcmbeC1.c1,2007,0713:30:00,28 ,447.5804,509.9928,486.2727,17.77244
sgpcmbeC1.c1,2007,0714:30:00,27 ,453.5464,511.0369, 488.635,14.85047
sgpcmbeC1.c1,2007,0715:30:00,30 ,463.0367,  511.25,487.4811,13.91357
sgpcmbeC1.c1,2007,0716:30:00,29 ,452.1967,496.1767, 481.047,12.31713
sgpcmbeC1.c1,2007,0717:30:00,30 ,448.2108,490.6231,474.7686,11.13564
sgpcmbeC1.c1,2007,0718:30:00,30 ,441.4692,477.7194,463.7538,10.82452
sgpcmbeC1.c1,2007,0719:30:00,30 ,430.3486,461.1478,448.4017,8.497878
sgpcmbeC1.c1,2007,0720:30:00,30 ,418.8773,449.8589,436.9157,7.412875
sgpcmbeC1.c1,2007,0721:30:00,31 ,414.8185,447.3165,432.7878,7.124779
sgpcmbeC1.c1,2007,0722:30:00,31 ,413.0785,443.1304,429.5286,7.119698
sgpcmbeC1.c1,2007,0723:30:00,31 ,412.7679,435.6027,426.6352,6.217363