datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,10 0:30:00,30 ,       0,0.979297,0.062954,0.207978
sgpcmbeC1.c1,2003,10 1:30:00,30 ,       0,0.939369,  0.0458,0.186473
sgpcmbeC1.c1,2003,10 2:30:00,29 ,       0,0.686944,0.056191,0.173021
sgpcmbeC1.c1,2003,10 3:30:00,30 ,       0,1.174967,0.052197,0.223734
sgpcmbeC1.c1,2003,10 4:30:00,30 ,       0,1.098349,0.036612, 0.20053
sgpcmbeC1.c1,2003,10 5:30:00,30 ,       0,0.390184,0.013006,0.071237
sgpcmbeC1.c1,2003,10 6:30:00,30 ,       0,15.08291,6.889615,4.050833
sgpcmbeC1.c1,2003,10 7:30:00,30 ,14.21472,63.07615,42.71124,16.72355
sgpcmbeC1.c1,2003,10 8:30:00,30 ,15.80662,131.2778,57.82962, 21.8978
sgpcmbeC1.c1,2003,10 9:30:00,31 , 15.7894,150.2802,64.23761,37.46324
sgpcmbeC1.c1,2003,1010:30:00,31 ,19.47027,171.8926,62.25743, 41.4596
sgpcmbeC1.c1,2003,1011:30:00,31 ,13.35455,290.0494,78.06641,81.63333
sgpcmbeC1.c1,2003,1012:30:00,31 ,4.750005,248.7721,64.86553,67.75925
sgpcmbeC1.c1,2003,1013:30:00,31 ,11.78983,240.8353, 68.4877, 73.7905
sgpcmbeC1.c1,2003,1014:30:00,31 ,7.297279,226.6451,71.50499, 54.2431
sgpcmbeC1.c1,2003,1015:30:00,31 ,9.394394,163.2015, 61.1774,34.41875
sgpcmbeC1.c1,2003,1016:30:00,31 ,5.491208,86.58335,51.95621,19.40839
sgpcmbeC1.c1,2003,1017:30:00,31 ,4.619457,59.79684,32.41522,16.78088
sgpcmbeC1.c1,2003,1018:30:00,30 ,       0,3.152373,0.775525,0.943194
sgpcmbeC1.c1,2003,1019:30:00,30 ,       0,  1.5797,0.136833,0.426218
sgpcmbeC1.c1,2003,1020:30:00,30 ,       0,1.364512,0.098102, 0.28986
sgpcmbeC1.c1,2003,1021:30:00,30 ,       0, 0.79785, 0.05593,0.179245
sgpcmbeC1.c1,2003,1022:30:00,30 ,       0,1.502271,0.098105,0.373437
sgpcmbeC1.c1,2003,1023:30:00,29 ,       0,0.762801,0.046046,0.174045