datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,05 0:30:00,31 ,       0,1.769877,0.116664,0.366283
sgpcmbeC1.c1,2003,05 1:30:00,31 ,       0,0.949965,0.139504,0.270992
sgpcmbeC1.c1,2003,05 2:30:00,31 ,       0,0.979615,0.062448,0.197178
sgpcmbeC1.c1,2003,05 3:30:00,30 ,       0,1.591547,0.087839,0.295472
sgpcmbeC1.c1,2003,05 4:30:00,31 ,       0,0.368619, 0.02453,0.087976
sgpcmbeC1.c1,2003,05 5:30:00,31 ,0.082783,9.920836,2.264103,2.964349
sgpcmbeC1.c1,2003,05 6:30:00,31 ,0.019205,116.1204,38.65125,46.91453
sgpcmbeC1.c1,2003,05 7:30:00,31 ,0.075542,306.0656,117.4678,127.1685
sgpcmbeC1.c1,2003,05 8:30:00,31 ,0.119658,506.8809,214.4132,206.3593
sgpcmbeC1.c1,2003,05 9:30:00,31 ,0.473236,684.5798,308.5403,268.5086
sgpcmbeC1.c1,2003,0510:30:00,31 ,0.809784,820.7468,420.9844,315.4477
sgpcmbeC1.c1,2003,0511:30:00,31 ,1.341202,903.2897,473.4708,350.7627
sgpcmbeC1.c1,2003,0512:30:00,31 ,0.426285,938.4693,502.3017,360.8072
sgpcmbeC1.c1,2003,0513:30:00,31 ,0.090332,907.2096,435.2333, 343.726
sgpcmbeC1.c1,2003,0514:30:00,31 ,1.016342,814.3772,406.2828,298.2701
sgpcmbeC1.c1,2003,0515:30:00,31 ,0.050446,671.6629,343.8488,245.5688
sgpcmbeC1.c1,2003,0516:30:00,31 ,       0,492.7985,236.4759,174.0239
sgpcmbeC1.c1,2003,0517:30:00,31 ,0.000282,291.2556, 153.978,95.29961
sgpcmbeC1.c1,2003,0518:30:00,31 ,       0,101.8642,45.79637,32.65588
sgpcmbeC1.c1,2003,0519:30:00,31 ,0.066338,7.446089,2.354383,2.247956
sgpcmbeC1.c1,2003,0520:30:00,31 ,       0,1.847383,0.331031,0.495748
sgpcmbeC1.c1,2003,0521:30:00,31 ,       0,1.198566,0.150151,0.295298
sgpcmbeC1.c1,2003,0522:30:00,31 ,       0,2.506033,0.191837,0.511995
sgpcmbeC1.c1,2003,0523:30:00,31 ,       0,2.965847,0.178097,0.585009