datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,12 0:30:00,31 ,0.303745,10.17591,2.257621,2.421356
sgpcmbeC1.c1,2003,12 1:30:00,31 ,0.197619,6.029536,1.610811,1.546664
sgpcmbeC1.c1,2003,12 2:30:00,31 ,0.154655,20.03963,2.484281,3.900613
sgpcmbeC1.c1,2003,12 3:30:00,31 ,0.272112,33.34829,4.202527,7.752755
sgpcmbeC1.c1,2003,12 4:30:00,31 , 0.14664,24.84649,4.221156,  6.3286
sgpcmbeC1.c1,2003,12 5:30:00,31 ,0.373154,22.82523,2.829868,4.492168
sgpcmbeC1.c1,2003,12 6:30:00,31 ,0.268791,28.36586,2.885846,5.621847
sgpcmbeC1.c1,2003,12 7:30:00,31 ,0.252059,14.22901,2.297403,3.541169
sgpcmbeC1.c1,2003,12 8:30:00,31 ,0.282304,33.78769,2.623423,5.890155
sgpcmbeC1.c1,2003,12 9:30:00,31 , 0.42909,21.74544, 3.50206,4.889564
sgpcmbeC1.c1,2003,1210:30:00,31 ,0.237261,22.41715,3.311127,4.241104
sgpcmbeC1.c1,2003,1211:30:00,31 ,0.567155,14.66257,3.765012, 3.71414
sgpcmbeC1.c1,2003,1212:30:00,31 , 0.56517,7.293507,2.443682,1.900948
sgpcmbeC1.c1,2003,1213:30:00,30 ,0.464062,21.77777,3.123003,4.204585
sgpcmbeC1.c1,2003,1214:30:00,31 ,0.290857,12.40765,2.491419,2.780113
sgpcmbeC1.c1,2003,1215:30:00,31 ,0.357508,17.81944,2.734726,3.926001
sgpcmbeC1.c1,2003,1216:30:00,31 ,0.485108,19.44645, 2.62247,4.300755
sgpcmbeC1.c1,2003,1217:30:00,31 ,0.401947,20.50046,3.495169, 4.45537
sgpcmbeC1.c1,2003,1218:30:00,31 ,0.294838,32.72164,4.499769, 8.27495
sgpcmbeC1.c1,2003,1219:30:00,31 ,0.365475,15.99092,2.316855,2.948093
sgpcmbeC1.c1,2003,1220:30:00,31 ,0.424348,26.57352,4.678697, 6.80274
sgpcmbeC1.c1,2003,1221:30:00,31 ,0.515033,24.41309,5.407193,6.140083
sgpcmbeC1.c1,2003,1222:30:00,31 ,0.245029,25.68686,4.473342,7.372893
sgpcmbeC1.c1,2003,1223:30:00,31 ,0.432524,31.59407,4.578462,7.664845