datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,04 0:30:00,30 ,0.269423,20.54794,3.254598, 4.95035
sgpcmbeC1.c1,1997,04 1:30:00,30 ,0.364563, 22.8446, 4.25106,5.615119
sgpcmbeC1.c1,1997,04 2:30:00,30 ,0.276604,18.78556,4.275602, 4.99299
sgpcmbeC1.c1,1997,04 3:30:00,30 ,0.413108,20.16427,4.484537,5.451177
sgpcmbeC1.c1,1997,04 4:30:00,30 ,0.252355,22.56898,4.165472,4.973363
sgpcmbeC1.c1,1997,04 5:30:00,30 ,0.268891,26.90501,3.953616,5.929569
sgpcmbeC1.c1,1997,04 6:30:00,30 ,0.343977,20.71104,4.566738,5.571504
sgpcmbeC1.c1,1997,04 7:30:00,30 ,0.411718, 34.5157,5.684536,  7.4232
sgpcmbeC1.c1,1997,04 8:30:00,30 ,0.463285,24.36187,6.392676,6.776223
sgpcmbeC1.c1,1997,04 9:30:00,30 ,0.568868,14.57663, 3.68967,3.290465
sgpcmbeC1.c1,1997,0410:30:00,30 ,0.719851, 9.09036,3.088072,2.214962
sgpcmbeC1.c1,1997,0411:30:00,30 ,0.642854,20.71407,4.174142,4.382373
sgpcmbeC1.c1,1997,0412:30:00,30 ,0.889108,14.69161,4.196425,3.960103
sgpcmbeC1.c1,1997,0413:30:00,30 ,0.360938,16.31188,4.282403,4.598825
sgpcmbeC1.c1,1997,0414:30:00,30 ,0.469832,17.95574,3.795444,4.263352
sgpcmbeC1.c1,1997,0415:30:00,30 ,0.283579, 15.7545,3.350675,3.843611
sgpcmbeC1.c1,1997,0416:30:00,30 ,0.227141,15.73476,3.256777,3.794749
sgpcmbeC1.c1,1997,0417:30:00,30 ,0.570001,14.41677,3.124936,3.639331
sgpcmbeC1.c1,1997,0418:30:00,30 ,0.311752,22.45574,4.157981,5.766376
sgpcmbeC1.c1,1997,0419:30:00,30 ,0.493313,8.911036,2.453192,2.167411
sgpcmbeC1.c1,1997,0420:30:00,30 ,0.284502,25.25409,3.773425,5.384319
sgpcmbeC1.c1,1997,0421:30:00,30 ,0.340778,  13.676,2.760782,3.391299
sgpcmbeC1.c1,1997,0422:30:00,30 ,0.206206,20.82058,2.974803,4.258794
sgpcmbeC1.c1,1997,0423:30:00,30 ,0.262426,13.33422, 2.32137,3.256479