datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,09 0:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,09 1:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,09 2:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,09 3:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,09 4:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,09 5:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,09 6:30:00,29 ,2.126968,41.23407,27.73105,9.980567
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 ,0.231109,48.92829,21.58568,13.14712
sgpcmbeC1.c1,2000,0919:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0920:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0921:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0922:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0923:30:00,29 ,       0,       0,       0,       0