datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,06 0:30:00,27 ,       0,2432.699,281.0538,612.3571
sgpcmbeC1.c1,2007,06 1:30:00,26 ,       0,3772.152,501.9972,1096.417
sgpcmbeC1.c1,2007,06 2:30:00,27 ,       0,3389.616, 405.436,833.9513
sgpcmbeC1.c1,2007,06 3:30:00,27 ,       0,3857.037,372.9833,994.1142
sgpcmbeC1.c1,2007,06 4:30:00,27 ,       0,2509.729,286.5366,675.3896
sgpcmbeC1.c1,2007,06 5:30:00,27 ,       0,2195.365,227.0751,526.5463
sgpcmbeC1.c1,2007,06 6:30:00,26 ,       0,2395.833,173.0959,482.5093
sgpcmbeC1.c1,2007,06 7:30:00,28 ,       0,4501.461,227.8651,845.4281
sgpcmbeC1.c1,2007,06 8:30:00,28 ,       0,4583.949,236.7083,870.0619
sgpcmbeC1.c1,2007,06 9:30:00,28 ,       0,4568.771,263.6809,862.1673
sgpcmbeC1.c1,2007,0610:30:00,27 ,       0,2398.574,181.6403,477.0351
sgpcmbeC1.c1,2007,0611:30:00,26 ,       0,1491.574,163.3405,372.2489
sgpcmbeC1.c1,2007,0612:30:00,28 ,       0,2893.069,367.3453,807.0386
sgpcmbeC1.c1,2007,0613:30:00,28 ,       0,3263.898,429.8061, 903.534
sgpcmbeC1.c1,2007,0614:30:00,27 ,       0,3389.759,325.3541,755.6362
sgpcmbeC1.c1,2007,0615:30:00,28 ,       0,4209.349,405.8122,1054.987
sgpcmbeC1.c1,2007,0616:30:00,28 ,       0,2175.239,245.0878,555.1429
sgpcmbeC1.c1,2007,0617:30:00,28 ,       0,4624.749,321.3956,905.0653
sgpcmbeC1.c1,2007,0618:30:00,27 ,       0,4748.421,268.5388, 924.353
sgpcmbeC1.c1,2007,0619:30:00,28 ,       0,4270.444,262.6327,817.8811
sgpcmbeC1.c1,2007,0620:30:00,28 ,       0,1236.284,150.7829,314.2351
sgpcmbeC1.c1,2007,0621:30:00,27 ,       0,3734.003,277.7829,802.6836
sgpcmbeC1.c1,2007,0622:30:00,27 ,       0,3151.227,347.7957,838.1654
sgpcmbeC1.c1,2007,0623:30:00,26 ,       0,3744.991,277.7445,853.4223