datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,01 0:30:00,29 ,0.012638,0.414659,0.041125,0.074692
sgpcmbeC1.c1,1999,01 1:30:00,28 ,0.010873,0.214347,0.040398,0.043772
sgpcmbeC1.c1,1999,01 2:30:00,29 , 0.01236,0.148047,0.033532,0.029815
sgpcmbeC1.c1,1999,01 3:30:00,30 ,0.011892,0.193618,0.038781,0.041847
sgpcmbeC1.c1,1999,01 4:30:00,29 ,0.010364,0.137674,0.033642,0.027354
sgpcmbeC1.c1,1999,01 5:30:00,29 ,0.011586,0.207274,0.035909,0.045953
sgpcmbeC1.c1,1999,01 6:30:00,29 ,0.012331,0.470691,0.048494,0.088254
sgpcmbeC1.c1,1999,01 7:30:00,31 ,0.012046,0.295743,0.051181,0.067901
sgpcmbeC1.c1,1999,01 8:30:00,30 , 0.01125,  0.3638, 0.04892,0.086232
sgpcmbeC1.c1,1999,01 9:30:00,29 ,0.012716,0.171334,0.035053,0.040259
sgpcmbeC1.c1,1999,0110:30:00,28 ,0.011659,0.295248,0.035797, 0.05464
sgpcmbeC1.c1,1999,0111:30:00,29 ,0.012646, 0.40597,0.039663,0.074782
sgpcmbeC1.c1,1999,0112:30:00,28 ,0.008088,0.082419,0.023472,0.015259
sgpcmbeC1.c1,1999,0113:30:00,27 ,0.009507,0.147305,0.027723, 0.03064
sgpcmbeC1.c1,1999,0114:30:00,26 ,0.012872,0.108885,0.026108,0.019273
sgpcmbeC1.c1,1999,0115:30:00,26 ,0.012754, 0.25166,0.036508,0.047044
sgpcmbeC1.c1,1999,0116:30:00,28 ,0.006208,0.315138,0.037721,0.062783
sgpcmbeC1.c1,1999,0117:30:00,29 ,0.011295,0.048791,0.024562,0.012156
sgpcmbeC1.c1,1999,0118:30:00,30 ,0.010738,0.144063,0.030981,0.031554
sgpcmbeC1.c1,1999,0119:30:00,30 ,0.011385,0.064999, 0.02542,0.014249
sgpcmbeC1.c1,1999,0120:30:00,29 ,0.012006,0.219667,0.036087,0.051843
sgpcmbeC1.c1,1999,0121:30:00,30 ,0.011714,0.280385, 0.03316,0.051049
sgpcmbeC1.c1,1999,0122:30:00,30 , 0.01141,0.367274,0.042259,0.073027
sgpcmbeC1.c1,1999,0123:30:00,29 ,0.012708,0.182067,0.028777,0.032597