datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,09 0:30:00,30 ,       0, 3.75246,0.533251,1.206257
sgpcmbeC1.c1,2005,09 1:30:00,30 ,       0,3.802635,0.561992,1.243279
sgpcmbeC1.c1,2005,09 2:30:00,30 ,       0,  3.7542,0.580747,1.275595
sgpcmbeC1.c1,2005,09 3:30:00,30 ,       0,3.809315, 0.60479,1.270401
sgpcmbeC1.c1,2005,09 4:30:00,30 ,       0,3.851353,0.611883,1.253858
sgpcmbeC1.c1,2005,09 5:30:00,30 ,       0,3.545654,0.583922,1.183341
sgpcmbeC1.c1,2005,09 6:30:00,30 ,9.071076,46.43572,25.80687,10.58863
sgpcmbeC1.c1,2005,09 7:30:00,30 ,24.49776,219.9807,161.1752,51.58454
sgpcmbeC1.c1,2005,09 8:30:00,30 ,95.56644,422.6899,343.7592,85.17756
sgpcmbeC1.c1,2005,09 9:30:00,30 ,213.0261,622.1385,508.5995,100.3529
sgpcmbeC1.c1,2005,0910:30:00,30 ,386.9005,745.4484, 647.374,104.4393
sgpcmbeC1.c1,2005,0911:30:00,30 ,457.7666, 835.855,740.6113,94.79215
sgpcmbeC1.c1,2005,0912:30:00,30 ,296.0614,868.7925,752.2385,135.1945
sgpcmbeC1.c1,2005,0913:30:00,30 , 253.573,839.4112,711.9451,149.9284
sgpcmbeC1.c1,2005,0914:30:00,30 , 97.8315,783.5151,632.9267,126.1209
sgpcmbeC1.c1,2005,0915:30:00,30 ,153.3195,620.5586,480.4471,125.3972
sgpcmbeC1.c1,2005,0916:30:00,30 ,55.33877,417.5229, 303.667,98.43038
sgpcmbeC1.c1,2005,0917:30:00,30 ,20.84186, 216.453,136.3727,51.97135
sgpcmbeC1.c1,2005,0918:30:00,30 ,1.192852,41.94702,16.08156,12.18773
sgpcmbeC1.c1,2005,0919:30:00,30 ,       0,3.842774,0.413706,1.070972
sgpcmbeC1.c1,2005,0920:30:00,30 ,       0,3.937807,0.429551,1.115206
sgpcmbeC1.c1,2005,0921:30:00,29 ,       0,3.996431,0.526028,1.254831
sgpcmbeC1.c1,2005,0922:30:00,30 ,       0,3.734692,0.540175,1.233252
sgpcmbeC1.c1,2005,0923:30:00,30 ,       0, 3.80737,0.590558,1.243034