datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,08 0:30:00,24 ,       0,137.9382,8.457937,27.99075
sgpcmbeC1.c1,1999,08 1:30:00,23 ,       0,98.29368,8.739297,21.45464
sgpcmbeC1.c1,1999,08 2:30:00,23 ,       0,251.6529,24.44779,60.62428
sgpcmbeC1.c1,1999,08 3:30:00,23 ,       0,545.4606,44.80363,120.7722
sgpcmbeC1.c1,1999,08 4:30:00,22 ,       0,312.8756,24.32791, 68.1076
sgpcmbeC1.c1,1999,08 5:30:00,23 ,       0, 438.727,57.00726,120.6496
sgpcmbeC1.c1,1999,08 6:30:00,23 ,       0,491.2047,39.87308,106.3618
sgpcmbeC1.c1,1999,08 7:30:00,22 ,       0,224.3024,22.67088,51.85594
sgpcmbeC1.c1,1999,08 8:30:00,22 ,       0,220.3626,20.79482,52.20551
sgpcmbeC1.c1,1999,08 9:30:00,22 ,       0,52.34526,6.462489,14.72689
sgpcmbeC1.c1,1999,0810:30:00,22 ,       0,54.76747,4.318544,11.85968
sgpcmbeC1.c1,1999,0811:30:00,21 ,       0,69.59838, 7.00744,15.62878
sgpcmbeC1.c1,1999,0812:30:00,20 ,       0,86.28642,10.31707,21.33752
sgpcmbeC1.c1,1999,0813:30:00,20 ,       0,96.22118,12.14833,24.55501
sgpcmbeC1.c1,1999,0814:30:00,17 ,       0,136.8085,16.25482, 39.2821
sgpcmbeC1.c1,1999,0815:30:00,16 ,       0,234.9177,19.80298, 58.5572
sgpcmbeC1.c1,1999,0816:30:00,15 ,       0,56.95243,5.809378,14.55099
sgpcmbeC1.c1,1999,0817:30:00,12 ,       0,179.1964,16.53338,51.27997
sgpcmbeC1.c1,1999,0818:30:00,24 ,       0,13.06804,1.896669, 3.32145
sgpcmbeC1.c1,1999,0819:30:00,24 ,       0,11.55586,2.012053,3.302931
sgpcmbeC1.c1,1999,0820:30:00,25 ,       0, 98.5507,6.165275,19.58019
sgpcmbeC1.c1,1999,0821:30:00,25 ,       0,344.9879,29.95729, 77.5688
sgpcmbeC1.c1,1999,0822:30:00,24 ,       0,46.83687,6.143788,11.79039
sgpcmbeC1.c1,1999,0823:30:00,24 ,       0,25.16677,2.622288,5.736816