datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,06 0:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,06 1:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,06 2:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,06 3:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,06 4:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,06 5:30:00,30 ,       0,35.58677,16.21496,10.49808
sgpcmbeC1.c1,2007,06 6:30:00,30 ,1.440453, 184.961,98.79683,55.58846
sgpcmbeC1.c1,2007,06 7:30:00,30 , 12.9775,385.6926,217.7849,119.2419
sgpcmbeC1.c1,2007,06 8:30:00,30 ,43.39899, 588.049,373.8769,177.9708
sgpcmbeC1.c1,2007,06 9:30:00,30 ,84.88692,760.8271,450.0163,221.0965
sgpcmbeC1.c1,2007,0610:30:00,29 ,67.19992,903.2783,600.4539,284.6271
sgpcmbeC1.c1,2007,0611:30:00,29 ,36.09414,991.5255,648.8575,321.8594
sgpcmbeC1.c1,2007,0612:30:00,29 ,63.43135,1018.937,674.7897,312.2596
sgpcmbeC1.c1,2007,0613:30:00,28 , 64.9026,991.2121,628.0103,313.6167
sgpcmbeC1.c1,2007,0614:30:00,29 ,33.74726, 914.965,586.8733,287.6783
sgpcmbeC1.c1,2007,0615:30:00,29 ,43.25423,765.1521,530.5632,193.4432
sgpcmbeC1.c1,2007,0616:30:00,30 ,47.25499,589.2216,367.8371,183.0528
sgpcmbeC1.c1,2007,0617:30:00,30 ,4.936469,417.4681,211.6671,124.0984
sgpcmbeC1.c1,2007,0618:30:00,30 ,       0,188.3281,106.0647,58.56989
sgpcmbeC1.c1,2007,0619:30:00,30 ,       0,36.55524,18.84151,11.30976
sgpcmbeC1.c1,2007,0620:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,0621:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,0622:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,0623:30:00,29 ,       0,       0,       0,       0