datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,09 0:30:00,29 ,0.013387,0.283987,0.048821,0.048028
sgpcmbeC1.c1,1998,09 1:30:00,28 ,0.014961,0.135579,0.047629,0.032009
sgpcmbeC1.c1,1998,09 2:30:00,29 ,0.015688,0.132782, 0.04607,0.028226
sgpcmbeC1.c1,1998,09 3:30:00,28 ,0.013699,0.264985,0.051022,0.051657
sgpcmbeC1.c1,1998,09 4:30:00,27 ,0.015527,0.101482,0.038166, 0.02519
sgpcmbeC1.c1,1998,09 5:30:00,28 ,0.016776,0.089047,0.037289,0.017825
sgpcmbeC1.c1,1998,09 6:30:00,28 ,0.015288,0.406505,0.057946, 0.07653
sgpcmbeC1.c1,1998,09 7:30:00,28 ,0.016725,0.179629,0.047485, 0.03848
sgpcmbeC1.c1,1998,09 8:30:00,28 ,0.015345,0.179262,0.037672,0.031433
sgpcmbeC1.c1,1998,09 9:30:00,28 ,0.020611,0.274619,0.050975,0.047155
sgpcmbeC1.c1,1998,0910:30:00,28 ,0.020542,0.116926, 0.04438,0.023895
sgpcmbeC1.c1,1998,0911:30:00,29 ,0.018737, 0.46378,0.067712,0.082345
sgpcmbeC1.c1,1998,0912:30:00,28 ,0.023086,0.265661,0.069068,0.045617
sgpcmbeC1.c1,1998,0913:30:00,28 ,0.029208,0.202581,0.073481,0.038331
sgpcmbeC1.c1,1998,0914:30:00,25 ,0.030794,0.152575,0.080134,0.035923
sgpcmbeC1.c1,1998,0915:30:00,25 ,0.020738,0.210125, 0.07931,0.048989
sgpcmbeC1.c1,1998,0916:30:00,25 ,0.025685,0.143997,  0.0663, 0.03212
sgpcmbeC1.c1,1998,0917:30:00,25 ,0.020626,0.189359,0.063664,0.041034
sgpcmbeC1.c1,1998,0918:30:00,28 ,0.021753,0.138504,0.047954,0.026608
sgpcmbeC1.c1,1998,0919:30:00,29 ,0.020423,0.172976,0.051779,0.033104
sgpcmbeC1.c1,1998,0920:30:00,29 ,0.019187,0.116556,0.048244,0.025886
sgpcmbeC1.c1,1998,0921:30:00,29 ,0.017023,0.178999,0.051468,0.037657
sgpcmbeC1.c1,1998,0922:30:00,29 ,0.013848, 0.13394,0.047288,0.030995
sgpcmbeC1.c1,1998,0923:30:00,29 ,0.018727,0.168298,0.047166,0.031487