datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,05 0:30:00,31 ,       0,0.976947,0.285933,0.288529
sgpcmbeC1.c1,1997,05 1:30:00,31 ,       0,0.950991,0.307128,0.278636
sgpcmbeC1.c1,1997,05 2:30:00,31 ,       0,1.550608,0.302399,0.329341
sgpcmbeC1.c1,1997,05 3:30:00,31 ,       0,1.204379,0.224027,0.263337
sgpcmbeC1.c1,1997,05 4:30:00,31 ,       0,0.860589,0.243688,0.249792
sgpcmbeC1.c1,1997,05 5:30:00,31 , 0.18899, 28.8445,11.13102,8.108303
sgpcmbeC1.c1,1997,05 6:30:00,31 ,8.122541,180.2677,105.4121,54.31634
sgpcmbeC1.c1,1997,05 7:30:00,31 ,48.63188, 383.959,272.6144,106.8884
sgpcmbeC1.c1,1997,05 8:30:00,31 ,86.61888,584.2911,422.2635,158.3997
sgpcmbeC1.c1,1997,05 9:30:00,31 ,137.1764,766.0335,577.4305,201.7735
sgpcmbeC1.c1,1997,0510:30:00,30 ,301.5587,908.1976,731.3806,205.7782
sgpcmbeC1.c1,1997,0511:30:00,30 ,391.4131,1013.693,810.8377,208.7527
sgpcmbeC1.c1,1997,0512:30:00,30 ,300.2903,1028.606,842.9859,207.6406
sgpcmbeC1.c1,1997,0513:30:00,30 ,364.6328,989.3763,825.3296,169.2751
sgpcmbeC1.c1,1997,0514:30:00,30 ,245.4747,890.0982,705.5393,205.5684
sgpcmbeC1.c1,1997,0515:30:00,30 ,211.3948,749.6263,616.1985,140.4156
sgpcmbeC1.c1,1997,0516:30:00,30 ,143.9967,572.8885,447.3226,117.9269
sgpcmbeC1.c1,1997,0517:30:00,30 ,61.16093,366.6905,267.4568,85.73935
sgpcmbeC1.c1,1997,0518:30:00,30 ,16.05283,174.9888,104.5659,40.20247
sgpcmbeC1.c1,1997,0519:30:00,30 ,1.053098,23.28116,9.873673,6.296764
sgpcmbeC1.c1,1997,0520:30:00,30 ,       0, 1.14579,0.279525,0.330088
sgpcmbeC1.c1,1997,0521:30:00,30 ,       0,1.326013,0.335905,0.370982
sgpcmbeC1.c1,1997,0522:30:00,30 ,       0,1.073012,0.346544,0.301078
sgpcmbeC1.c1,1997,0523:30:00,30 ,       0, 1.36362,0.335143,0.337316