datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,08 0:30:00,31 ,       0,2.893086,1.527784,0.886029
sgpcmbeC1.c1,2005,08 1:30:00,30 ,       0,3.055297,1.687828,0.810928
sgpcmbeC1.c1,2005,08 2:30:00,31 ,       0,3.291729,1.616267,0.875586
sgpcmbeC1.c1,2005,08 3:30:00,31 ,       0,3.093331,1.612345,0.856869
sgpcmbeC1.c1,2005,08 4:30:00,31 ,       0,2.926142,1.586552,0.824694
sgpcmbeC1.c1,2005,08 5:30:00,31 ,0.002923,8.992721,3.621982,2.661704
sgpcmbeC1.c1,2005,08 6:30:00,31 ,8.694308,156.6828,66.48117,32.31259
sgpcmbeC1.c1,2005,08 7:30:00,31 ,19.06591,297.2814,218.8874, 65.7786
sgpcmbeC1.c1,2005,08 8:30:00,31 ,53.16685,517.7977,370.2893,138.1776
sgpcmbeC1.c1,2005,08 9:30:00,31 ,86.12582,671.5555,539.6372,166.9509
sgpcmbeC1.c1,2005,0810:30:00,31 ,119.3015,818.9658,642.1887,199.8428
sgpcmbeC1.c1,2005,0811:30:00,31 ,83.97894,912.7133,738.5991,205.3154
sgpcmbeC1.c1,2005,0812:30:00,31 ,143.2226,968.0019,758.3623,225.3574
sgpcmbeC1.c1,2005,0813:30:00,31 ,163.1349,922.1281,702.9032,218.5975
sgpcmbeC1.c1,2005,0814:30:00,31 ,25.82579,881.4423,615.6144,234.6886
sgpcmbeC1.c1,2005,0815:30:00,31 ,6.146163,731.8095,519.8773, 204.992
sgpcmbeC1.c1,2005,0816:30:00,31 ,3.488717,561.7064,344.2183,169.8891
sgpcmbeC1.c1,2005,0817:30:00,31 ,3.086088,344.0834,196.1844,107.9715
sgpcmbeC1.c1,2005,0818:30:00,31 ,1.189488, 141.111,70.05132,43.65605
sgpcmbeC1.c1,2005,0819:30:00,31 ,       0,16.57886,5.628789,4.988996
sgpcmbeC1.c1,2005,0820:30:00,31 ,       0,2.954911, 1.43833,0.845223
sgpcmbeC1.c1,2005,0821:30:00,31 ,       0,2.955783,1.598342,0.984303
sgpcmbeC1.c1,2005,0822:30:00,31 ,       0,3.072871,1.599338,0.923022
sgpcmbeC1.c1,2005,0823:30:00,31 ,       0,2.964751, 1.71061,0.877233