datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,09 0:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,09 1:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,09 2:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,09 3:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,09 4:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,09 5:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,09 6:30:00,30 , 0.60943,29.82806,14.60273,6.702106
sgpcmbeC1.c1,2006,09 7:30:00,30 ,1.310371, 70.4659,18.85759,15.72691
sgpcmbeC1.c1,2006,09 8:30:00,27 , 2.76553, 72.7325,18.04386,20.10861
sgpcmbeC1.c1,2006,09 9:30:00,28 ,1.283408,96.08715,20.84919,24.46202
sgpcmbeC1.c1,2006,0910:30:00,30 ,1.300093,131.8982,24.18485, 32.1929
sgpcmbeC1.c1,2006,0911:30:00,30 ,0.991945,137.4592, 33.8722,40.91636
sgpcmbeC1.c1,2006,0912:30:00,30 ,0.867917,92.68031,32.68995, 31.8427
sgpcmbeC1.c1,2006,0913:30:00,30 ,0.937378,120.6157,35.43188,33.87031
sgpcmbeC1.c1,2006,0914:30:00,30 ,0.595961,88.70444,29.17275,27.00205
sgpcmbeC1.c1,2006,0915:30:00,30 ,1.459636,86.97882,27.23033,25.11308
sgpcmbeC1.c1,2006,0916:30:00,30 ,3.129833,60.46107, 19.2962,16.86044
sgpcmbeC1.c1,2006,0917:30:00,30 ,7.415526,51.96144,22.18789,12.70365
sgpcmbeC1.c1,2006,0918:30:00,30 ,2.815313,25.65363,12.12397,5.745122
sgpcmbeC1.c1,2006,0919:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,0920:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,0921:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,0922:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,0923:30:00,29 ,       0,       0,       0,       0