datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,12 0:30:00,28 ,0.223915,1.338087,0.901568,0.340715
sgpcmbeC1.c1,2005,12 1:30:00,28 ,0.229171,1.432665,0.903107,0.358729
sgpcmbeC1.c1,2005,12 2:30:00,28 ,0.255989,  1.4631,0.903643,0.370399
sgpcmbeC1.c1,2005,12 3:30:00,28 ,0.275075,1.581449,0.911344,0.372853
sgpcmbeC1.c1,2005,12 4:30:00,28 ,0.228726,1.761274,0.923847,0.386008
sgpcmbeC1.c1,2005,12 5:30:00,27 ,0.214089, 1.78231,0.915448,0.381527
sgpcmbeC1.c1,2005,12 6:30:00,27 ,0.213254,1.739719,0.922811, 0.38033
sgpcmbeC1.c1,2005,12 7:30:00,27 ,0.205533,1.584933,0.923882,0.356778
sgpcmbeC1.c1,2005,12 8:30:00,26 ,0.202456,1.487854,0.905598,0.347272
sgpcmbeC1.c1,2005,12 9:30:00,27 ,0.190114,1.535008,0.885443,0.329167
sgpcmbeC1.c1,2005,1210:30:00,29 , 0.20667,1.547626,0.882004,0.335436
sgpcmbeC1.c1,2005,1211:30:00,29 ,0.194294,1.731087,0.897467,0.346528
sgpcmbeC1.c1,2005,1212:30:00,29 , 0.19091,1.811896,0.923011,0.363116
sgpcmbeC1.c1,2005,1213:30:00,29 ,0.191465,1.733569,0.943445,0.362386
sgpcmbeC1.c1,2005,1214:30:00,28 ,0.187182,1.970044,0.980805,0.381576
sgpcmbeC1.c1,2005,1215:30:00,28 ,0.196387,2.148649,0.999654,0.411682
sgpcmbeC1.c1,2005,1216:30:00,28 ,0.207621,2.488399,1.008493,0.458115
sgpcmbeC1.c1,2005,1217:30:00,28 ,0.207663,2.004619,1.004671,0.421013
sgpcmbeC1.c1,2005,1218:30:00,28 ,0.212206,2.092559,0.986385,0.387627
sgpcmbeC1.c1,2005,1219:30:00,28 ,0.217328,2.112728,  0.9995,0.398074
sgpcmbeC1.c1,2005,1220:30:00,28 ,0.207866,1.870574,0.994396,0.375873
sgpcmbeC1.c1,2005,1221:30:00,28 ,0.211951,1.785658,0.980024,0.353807
sgpcmbeC1.c1,2005,1222:30:00,28 ,0.206181,1.524649,0.958402,0.335044
sgpcmbeC1.c1,2005,1223:30:00,28 ,0.217414,1.397572,0.938361,0.326413