datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,05 0:30:00,31 ,353.4932,452.0516,394.1054,30.43899
sgpcmbeC1.c1,2006,05 1:30:00,31 ,349.0767, 443.753,391.2573,28.92259
sgpcmbeC1.c1,2006,05 2:30:00,31 ,338.8474,443.3563,388.4455, 28.1904
sgpcmbeC1.c1,2006,05 3:30:00,31 ,343.0123,440.3794,386.4891,27.34333
sgpcmbeC1.c1,2006,05 4:30:00,31 ,345.2535,437.9081,383.7171,27.49828
sgpcmbeC1.c1,2006,05 5:30:00,31 ,343.7247,437.5469,382.8743,27.74755
sgpcmbeC1.c1,2006,05 6:30:00,31 , 352.674,441.9988,391.8032,26.31001
sgpcmbeC1.c1,2006,05 7:30:00,31 ,367.8283,451.4547,409.2695, 27.2953
sgpcmbeC1.c1,2006,05 8:30:00,31 ,371.3005,467.1431,425.5287,28.60556
sgpcmbeC1.c1,2006,05 9:30:00,31 ,368.9117, 486.342,440.8478,32.89672
sgpcmbeC1.c1,2006,0510:30:00,31 ,368.7663,505.3543,452.2617,36.72347
sgpcmbeC1.c1,2006,0511:30:00,31 ,379.7762,518.2932,461.1642,39.31154
sgpcmbeC1.c1,2006,0512:30:00,31 ,383.4942,528.5849,465.9861, 40.6544
sgpcmbeC1.c1,2006,0513:30:00,31 ,388.8759,532.9393,469.3234,39.22498
sgpcmbeC1.c1,2006,0514:30:00,31 ,390.0923,532.7646,468.9873,  38.616
sgpcmbeC1.c1,2006,0515:30:00,31 ,391.4348,525.5259,464.8734,36.88503
sgpcmbeC1.c1,2006,0516:30:00,31 ,390.2607,505.6619,458.0722, 35.2982
sgpcmbeC1.c1,2006,0517:30:00,31 ,387.5047,500.2095,448.9463,34.14377
sgpcmbeC1.c1,2006,0518:30:00,31 ,382.2488, 477.396,434.6494,32.30966
sgpcmbeC1.c1,2006,0519:30:00,31 ,365.6118,471.4994,417.9497,32.23519
sgpcmbeC1.c1,2006,0520:30:00,31 ,356.9263,456.8596,407.4816, 30.3944
sgpcmbeC1.c1,2006,0521:30:00,31 ,350.0697,454.0975,402.9603,31.05447
sgpcmbeC1.c1,2006,0522:30:00,31 ,351.1832,455.0894,399.7646,31.90511
sgpcmbeC1.c1,2006,0523:30:00,31 , 355.386,453.0112,397.8691,  30.692