datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,06 0:30:00,29 , 0.77609,13.38962,2.460399,2.754327
sgpcmbeC1.c1,2002,06 1:30:00,29 ,0.283347,11.25761,1.636612, 2.02549
sgpcmbeC1.c1,2002,06 2:30:00,29 ,0.404007,12.59543,1.780519,2.326901
sgpcmbeC1.c1,2002,06 3:30:00,29 ,0.436291,12.77083,2.175799,2.697572
sgpcmbeC1.c1,2002,06 4:30:00,29 ,0.223177,  11.705,2.278612,2.746468
sgpcmbeC1.c1,2002,06 5:30:00,29 ,0.448716,16.15842,2.601002,3.422582
sgpcmbeC1.c1,2002,06 6:30:00,29 ,0.509831,13.86221,2.949161,2.801984
sgpcmbeC1.c1,2002,06 7:30:00,29 ,0.543007,10.59746,3.519151,2.366128
sgpcmbeC1.c1,2002,06 8:30:00,29 ,0.603335,12.24801,4.211425,2.898594
sgpcmbeC1.c1,2002,06 9:30:00,29 ,0.585869,9.242757,3.491971,2.608215
sgpcmbeC1.c1,2002,0610:30:00,29 ,0.733936,24.08128,4.609606,4.553021
sgpcmbeC1.c1,2002,0611:30:00,29 , 0.51196,6.861546,2.882619,1.620212
sgpcmbeC1.c1,2002,0612:30:00,29 ,1.004596,16.13199,3.990451,3.195739
sgpcmbeC1.c1,2002,0613:30:00,29 ,0.759752,14.90052,3.421131,2.665025
sgpcmbeC1.c1,2002,0614:30:00,29 ,0.777194,7.718545,3.153422,  1.9479
sgpcmbeC1.c1,2002,0615:30:00,29 ,0.875102,8.733205,3.191376,2.180427
sgpcmbeC1.c1,2002,0616:30:00,29 ,0.800844,9.454305,2.863613,2.258771
sgpcmbeC1.c1,2002,0617:30:00,29 , 0.81685,21.48322,3.144688,3.855892
sgpcmbeC1.c1,2002,0618:30:00,29 ,0.926785,5.568506,2.335188,1.171191
sgpcmbeC1.c1,2002,0619:30:00,29 ,1.252091,8.488277,3.516982,1.645278
sgpcmbeC1.c1,2002,0620:30:00,29 ,0.688969,10.78406,2.658191,1.986302
sgpcmbeC1.c1,2002,0621:30:00,29 , 0.41328,15.38328, 2.45134,3.145029
sgpcmbeC1.c1,2002,0622:30:00,29 ,0.377035,8.880859,2.570738,2.414057
sgpcmbeC1.c1,2002,0623:30:00,29 , 0.58759,7.239572,2.580537,2.124556