datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,12 0:30:00,25 ,0.446084,2.033009, 0.97364,0.378488
sgpcmbeC1.c1,2002,12 1:30:00,25 ,0.433176,1.903785,0.981884,0.376531
sgpcmbeC1.c1,2002,12 2:30:00,25 ,0.499275,1.799652,0.977365,0.360274
sgpcmbeC1.c1,2002,12 3:30:00,25 ,0.465435,1.740168,0.972152,0.338965
sgpcmbeC1.c1,2002,12 4:30:00,25 ,0.422979,1.727659,0.950295,0.325151
sgpcmbeC1.c1,2002,12 5:30:00,25 ,0.418837,1.776416,0.941785,0.336749
sgpcmbeC1.c1,2002,12 6:30:00,24 ,0.404732,1.648715,0.942347,0.328036
sgpcmbeC1.c1,2002,12 7:30:00,24 ,0.368226,1.672642,0.926641,0.338488
sgpcmbeC1.c1,2002,12 8:30:00,23 ,0.326866,1.660625,0.911921,0.355654
sgpcmbeC1.c1,2002,12 9:30:00,26 ,0.298009,1.897391,0.987218,0.426907
sgpcmbeC1.c1,2002,1210:30:00,26 , 0.31096,2.761786,1.031516,0.529835
sgpcmbeC1.c1,2002,1211:30:00,26 ,0.305155,2.985769,1.056521,0.571481
sgpcmbeC1.c1,2002,1212:30:00,26 ,0.306035,  2.7786,1.065796,0.563339
sgpcmbeC1.c1,2002,1213:30:00,26 ,0.277512,3.586849,1.083464,0.674866
sgpcmbeC1.c1,2002,1214:30:00,24 ,0.300788,1.793808,0.957176,0.418787
sgpcmbeC1.c1,2002,1215:30:00,24 ,0.338275,1.855915,0.966683,0.434152
sgpcmbeC1.c1,2002,1216:30:00,24 ,0.443007,2.425465,0.981841,0.474886
sgpcmbeC1.c1,2002,1217:30:00,24 ,0.434825,1.768304,0.962588,0.384332
sgpcmbeC1.c1,2002,1218:30:00,24 ,0.441329,1.689204,0.952675,0.356178
sgpcmbeC1.c1,2002,1219:30:00,24 ,0.448957,1.604369, 0.93542,0.342872
sgpcmbeC1.c1,2002,1220:30:00,25 ,0.356126,2.771651,1.020497,0.513811
sgpcmbeC1.c1,2002,1221:30:00,25 ,0.288451,2.551514,1.005069,0.484458
sgpcmbeC1.c1,2002,1222:30:00,25 ,0.319794, 2.30385,0.976011,0.430839
sgpcmbeC1.c1,2002,1223:30:00,25 ,0.402248,2.183225,0.973244,0.403537