datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,11 0:30:00,29 ,0.284714,3.525707,1.590108,0.905236
sgpcmbeC1.c1,2003,11 1:30:00,29 , 0.25987,3.457646,1.590838,0.928726
sgpcmbeC1.c1,2003,11 2:30:00,28 ,0.369391,3.406155,1.641569,0.912026
sgpcmbeC1.c1,2003,11 3:30:00,28 ,0.357595,3.332729,1.651227,0.939276
sgpcmbeC1.c1,2003,11 4:30:00,28 ,0.393812,3.282436,1.660898,0.954535
sgpcmbeC1.c1,2003,11 5:30:00,28 ,0.429804,3.376164, 1.66451,0.966733
sgpcmbeC1.c1,2003,11 6:30:00,27 ,0.443016,3.534223,1.622992,0.972145
sgpcmbeC1.c1,2003,11 7:30:00,27 , 0.42128,3.606936,1.617444,0.986573
sgpcmbeC1.c1,2003,11 8:30:00,27 ,0.429739,3.665148,1.593658,0.962407
sgpcmbeC1.c1,2003,11 9:30:00,29 ,0.386113,3.696163,1.560639,0.944819
sgpcmbeC1.c1,2003,1110:30:00,29 ,0.382136,  3.5867,1.565477,0.941392
sgpcmbeC1.c1,2003,1111:30:00,29 ,0.352773,3.622029,1.580362, 0.95039
sgpcmbeC1.c1,2003,1112:30:00,29 ,0.357748,3.573146,1.575441,0.949815
sgpcmbeC1.c1,2003,1113:30:00,28 ,0.380813,3.429353,1.631665,0.972644
sgpcmbeC1.c1,2003,1114:30:00,28 ,0.360797, 3.53196,1.645298, 1.00313
sgpcmbeC1.c1,2003,1115:30:00,28 ,0.408747,3.602603,1.637354,1.011392
sgpcmbeC1.c1,2003,1116:30:00,28 ,0.464065,3.615399,1.600615, 0.98181
sgpcmbeC1.c1,2003,1117:30:00,28 ,0.479747, 3.49843,1.555589,0.939102
sgpcmbeC1.c1,2003,1118:30:00,28 ,0.429004,3.414237,1.513722,0.881909
sgpcmbeC1.c1,2003,1119:30:00,28 ,0.448842,3.351453,1.528264,0.899329
sgpcmbeC1.c1,2003,1120:30:00,28 ,0.430113,3.440071,1.552646,0.916984
sgpcmbeC1.c1,2003,1121:30:00,28 ,0.418534,3.525009,1.555281,0.908256
sgpcmbeC1.c1,2003,1122:30:00,28 ,0.364021,3.495991,1.559008,0.900233
sgpcmbeC1.c1,2003,1123:30:00,28 ,0.307702,3.483397,1.542072,0.888217