datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,08 0:30:00,31 ,       0, 0.36484,0.025168,0.082397
sgpcmbeC1.c1,2007,08 1:30:00,31 ,       0, 0.57181,0.021615,0.102793
sgpcmbeC1.c1,2007,08 2:30:00,30 ,       0,0.095783, 0.00519,0.020305
sgpcmbeC1.c1,2007,08 3:30:00,30 ,       0,0.247053,0.010721,0.046665
sgpcmbeC1.c1,2007,08 4:30:00,31 ,       0,0.143971,0.006932, 0.02762
sgpcmbeC1.c1,2007,08 5:30:00,31 ,       0,7.637767,1.624011,1.843476
sgpcmbeC1.c1,2007,08 6:30:00,31 ,3.012638,108.0626,62.24876,28.77963
sgpcmbeC1.c1,2007,08 7:30:00,31 ,18.64574,292.1017,220.7025,73.66508
sgpcmbeC1.c1,2007,08 8:30:00,31 , 95.0005,493.2241,410.1751,105.7489
sgpcmbeC1.c1,2007,08 9:30:00,31 , 192.219,664.7618,560.6043,127.7994
sgpcmbeC1.c1,2007,0810:30:00,31 ,382.2232,803.4687,686.3178,145.6042
sgpcmbeC1.c1,2007,0811:30:00,31 ,132.3987,909.3856,770.0462,187.9062
sgpcmbeC1.c1,2007,0812:30:00,31 ,81.66459,937.6041,777.5403,188.6238
sgpcmbeC1.c1,2007,0813:30:00,31 ,222.0556,918.0595,755.0389,179.6001
sgpcmbeC1.c1,2007,0814:30:00,31 ,62.59881,836.9628,701.8977,195.5871
sgpcmbeC1.c1,2007,0815:30:00,31 ,45.90849,690.0858,573.0254,139.6104
sgpcmbeC1.c1,2007,0816:30:00,31 ,46.70104,520.7162,404.2145,114.9746
sgpcmbeC1.c1,2007,0817:30:00,31 ,44.07162,319.3379, 247.466,62.04938
sgpcmbeC1.c1,2007,0818:30:00,31 ,20.77565,130.6279,80.04029,32.14773
sgpcmbeC1.c1,2007,0819:30:00,31 ,0.009307,13.35199,4.217219,3.983417
sgpcmbeC1.c1,2007,0820:30:00,26 ,       0,1.098614,0.093024,0.233646
sgpcmbeC1.c1,2007,0821:30:00,31 ,       0,0.808553,0.034155,  0.1464
sgpcmbeC1.c1,2007,0822:30:00,31 ,       0,0.435568,0.040204,0.104372
sgpcmbeC1.c1,2007,0823:30:00,31 ,       0,0.414389,0.040133,0.107704