datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,04 0:30:00,28 ,       0,2.035184,0.830666,0.772003
sgpcmbeC1.c1,2004,04 1:30:00,28 ,       0,2.234586,0.811788,0.801627
sgpcmbeC1.c1,2004,04 2:30:00,27 ,       0,2.074358,0.928006,0.761646
sgpcmbeC1.c1,2004,04 3:30:00,27 ,       0,2.165428,0.982512,0.806989
sgpcmbeC1.c1,2004,04 4:30:00,28 ,       0,2.010058,0.839771,0.775274
sgpcmbeC1.c1,2004,04 5:30:00,28 ,       0, 5.65402,1.620217,1.592617
sgpcmbeC1.c1,2004,04 6:30:00,28 , 2.17288,109.9473,46.12927,32.90157
sgpcmbeC1.c1,2004,04 7:30:00,28 ,18.46015,312.4927,166.0466,96.73517
sgpcmbeC1.c1,2004,04 8:30:00,28 ,37.57138,526.4379,321.6566,169.3314
sgpcmbeC1.c1,2004,04 9:30:00,29 ,62.08562,700.5702,471.8394,222.4974
sgpcmbeC1.c1,2004,0410:30:00,29 ,54.83961,839.7297,628.8318,231.8531
sgpcmbeC1.c1,2004,0411:30:00,29 , 130.526,933.0512,692.1449,269.4715
sgpcmbeC1.c1,2004,0412:30:00,29 ,76.56818,970.5131,685.6439,304.0032
sgpcmbeC1.c1,2004,0413:30:00,29 ,141.3584,930.0129,624.7656,300.6411
sgpcmbeC1.c1,2004,0414:30:00,29 ,48.01141,830.3431,554.2586,269.4952
sgpcmbeC1.c1,2004,0415:30:00,29 ,31.10838,702.3867,462.8821,215.8647
sgpcmbeC1.c1,2004,0416:30:00,29 ,20.47264,502.3232,332.0392,145.1645
sgpcmbeC1.c1,2004,0417:30:00,29 ,7.164511,297.5944,172.1137,89.38807
sgpcmbeC1.c1,2004,0418:30:00,29 ,0.637344,92.90237,42.74894,25.42381
sgpcmbeC1.c1,2004,0419:30:00,29 ,       0,3.614434,1.034559, 0.97942
sgpcmbeC1.c1,2004,0420:30:00,28 ,       0,2.530704,0.671154,0.791595
sgpcmbeC1.c1,2004,0421:30:00,27 ,       0,2.070656,0.717306,0.735967
sgpcmbeC1.c1,2004,0422:30:00,27 ,       0,2.418927,0.803669,0.829178
sgpcmbeC1.c1,2004,0423:30:00,27 ,       0,2.466281,0.746358,0.776426