datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,08 0:30:00,31 ,0.016843,0.420257,0.076845,0.081548
sgpcmbeC1.c1,2002,08 1:30:00,31 ,0.020627,0.363557,0.064936,0.067836
sgpcmbeC1.c1,2002,08 2:30:00,30 ,0.019067,0.252588,0.065778,0.057162
sgpcmbeC1.c1,2002,08 3:30:00,29 ,0.019965,0.176555,0.045089,0.031351
sgpcmbeC1.c1,2002,08 4:30:00,30 ,0.017551,0.173393,0.051356,0.037701
sgpcmbeC1.c1,2002,08 5:30:00,30 ,0.014889,0.219842,0.055844,0.047562
sgpcmbeC1.c1,2002,08 6:30:00,28 ,0.015966,0.091122,0.036575,  0.0189
sgpcmbeC1.c1,2002,08 7:30:00,28 ,0.012902,0.092694,0.031941,0.016151
sgpcmbeC1.c1,2002,08 8:30:00,27 ,0.016823,0.098973,0.044557, 0.02089
sgpcmbeC1.c1,2002,08 9:30:00,30 ,0.024801,0.271133,0.061819,0.060914
sgpcmbeC1.c1,2002,0810:30:00,30 ,0.021239,0.187696,  0.0592,0.041146
sgpcmbeC1.c1,2002,0811:30:00,30 ,0.026639,0.133236,0.063252,0.026278
sgpcmbeC1.c1,2002,0812:30:00,31 ,0.032186, 0.26519,0.080904,0.044448
sgpcmbeC1.c1,2002,0813:30:00,31 ,0.033014,0.151884,0.079981,0.033645
sgpcmbeC1.c1,2002,0814:30:00,31 ,0.026857,0.167184, 0.07612, 0.03126
sgpcmbeC1.c1,2002,0815:30:00,30 ,0.034404,0.121178,0.074889,0.025007
sgpcmbeC1.c1,2002,0816:30:00,31 ,0.029473,0.144199,0.077487,0.034033
sgpcmbeC1.c1,2002,0817:30:00,31 ,0.029317,0.200942,0.076742,0.046077
sgpcmbeC1.c1,2002,0818:30:00,31 , 0.02693,0.219503,0.063538,0.040863
sgpcmbeC1.c1,2002,0819:30:00,31 ,0.019919,0.199993,0.060313,0.041954
sgpcmbeC1.c1,2002,0820:30:00,31 ,0.020551,0.194871,0.072055,0.051834
sgpcmbeC1.c1,2002,0821:30:00,31 ,0.021945, 0.15211,0.061955,0.037451
sgpcmbeC1.c1,2002,0822:30:00,31 ,0.014395,0.171931,0.051814,0.032109
sgpcmbeC1.c1,2002,0823:30:00,31 , 0.02215, 0.34199,0.079047,0.094134