datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,09 0:30:00,29 ,       0,0.260193,0.031347,0.056634
sgpcmbeC1.c1,2000,09 1:30:00,30 ,       0,0.420196,0.035441,0.098849
sgpcmbeC1.c1,2000,09 2:30:00,29 ,       0,0.231324,0.029508,0.060095
sgpcmbeC1.c1,2000,09 3:30:00,29 ,       0,0.123895,0.007538,0.023692
sgpcmbeC1.c1,2000,09 4:30:00,29 ,       0,0.049536,0.002063,0.009325
sgpcmbeC1.c1,2000,09 5:30:00,29 ,       0, 0.13983,0.025166,0.045482
sgpcmbeC1.c1,2000,09 6:30:00,29 ,2.624091,41.36189, 27.9631,9.923914
sgpcmbeC1.c1,2000,09 7:30:00,29 ,15.68292,243.7378,173.2221,56.35157
sgpcmbeC1.c1,2000,09 8:30:00,29 ,34.61898,434.7717,351.3584,107.1496
sgpcmbeC1.c1,2000,09 9:30:00,29 ,73.97275,621.3427,515.1083, 150.515
sgpcmbeC1.c1,2000,0910:30:00,29 ,78.14546,775.2939,666.8968,166.2453
sgpcmbeC1.c1,2000,0911:30:00,29 ,83.10137,855.3059,746.3153,187.0217
sgpcmbeC1.c1,2000,0912:30:00,29 ,152.5383,898.2027,776.7669, 178.912
sgpcmbeC1.c1,2000,0913:30:00,29 ,138.1719,912.6688,736.3346,171.4142
sgpcmbeC1.c1,2000,0914:30:00,29 , 122.255,802.2661, 645.958,151.2669
sgpcmbeC1.c1,2000,0915:30:00,29 ,107.7002,598.9307,505.6029,121.0207
sgpcmbeC1.c1,2000,0916:30:00,29 ,42.20769, 417.488,329.3602,90.94535
sgpcmbeC1.c1,2000,0917:30:00,29 ,17.87381,229.3127,151.3662, 48.9761
sgpcmbeC1.c1,2000,0918:30:00,29 ,0.752776,48.92829,21.72436,13.08186
sgpcmbeC1.c1,2000,0919:30:00,29 ,       0,0.056795,0.001958,0.010547
sgpcmbeC1.c1,2000,0920:30:00,29 ,       0,0.027076,0.001335,0.005281
sgpcmbeC1.c1,2000,0921:30:00,29 ,       0,0.162004, 0.02146,0.045384
sgpcmbeC1.c1,2000,0922:30:00,29 ,       0,0.284913,0.044388, 0.08265
sgpcmbeC1.c1,2000,0923:30:00,29 ,       0,0.215368,0.042997,0.057497