datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,09 0:30:00,30 , 302.224, 409.943,349.7364,28.05752
sgpcmbeC1.c1,2004,09 1:30:00,30 , 299.198,411.9568,   348.9,29.71884
sgpcmbeC1.c1,2004,09 2:30:00,30 ,297.5986,405.4123,347.2512,29.63877
sgpcmbeC1.c1,2004,09 3:30:00,30 ,296.8715, 414.727,345.4457,31.28519
sgpcmbeC1.c1,2004,09 4:30:00,30 ,295.8239, 415.845,344.5434,33.49002
sgpcmbeC1.c1,2004,09 5:30:00,30 , 294.394,412.2984,342.8005, 34.3236
sgpcmbeC1.c1,2004,09 6:30:00,30 ,293.0151,413.4009,341.6683, 34.6221
sgpcmbeC1.c1,2004,09 7:30:00,30 ,295.4882,431.4301,  343.55,33.79494
sgpcmbeC1.c1,2004,09 8:30:00,30 ,303.3728,430.2965,353.1975,32.15099
sgpcmbeC1.c1,2004,09 9:30:00,30 ,310.2063,414.8509, 361.316,28.53736
sgpcmbeC1.c1,2004,0910:30:00,30 ,316.8173,423.3513,369.0335,29.60986
sgpcmbeC1.c1,2004,0911:30:00,29 ,321.5642,432.5576,376.4929,30.62431
sgpcmbeC1.c1,2004,0912:30:00,30 ,325.8488,449.2163,380.9645, 30.9778
sgpcmbeC1.c1,2004,0913:30:00,30 , 327.135,439.4543,386.2662,31.59135
sgpcmbeC1.c1,2004,0914:30:00,30 ,328.1484,445.9681,391.0366,33.51192
sgpcmbeC1.c1,2004,0915:30:00,30 , 326.578,454.9294, 391.009,34.00951
sgpcmbeC1.c1,2004,0916:30:00,30 ,327.8979,449.6725,387.8884,31.81808
sgpcmbeC1.c1,2004,0917:30:00,30 ,321.1516, 459.645,380.1601,31.75157
sgpcmbeC1.c1,2004,0918:30:00,30 ,318.0329,460.5315,374.1271,32.66371
sgpcmbeC1.c1,2004,0919:30:00,30 ,319.8003,433.0773, 366.747, 30.9558
sgpcmbeC1.c1,2004,0920:30:00,30 ,316.4789,421.1768,361.4097,30.20428
sgpcmbeC1.c1,2004,0921:30:00,30 ,310.6646,417.4974,358.0021,29.23778
sgpcmbeC1.c1,2004,0922:30:00,30 , 306.016,403.6818,356.6095,28.58927
sgpcmbeC1.c1,2004,0923:30:00,30 , 303.155,415.0818, 353.108,28.05978