datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,11 0:30:00,28 ,       0,2.943276,0.753351,0.824663
sgpcmbeC1.c1,2006,11 1:30:00,26 ,       0,2.320279,0.648699, 0.72152
sgpcmbeC1.c1,2006,11 2:30:00,26 ,       0,2.494242,0.597041,0.785044
sgpcmbeC1.c1,2006,11 3:30:00,25 ,       0,2.551815,  0.5962,0.860542
sgpcmbeC1.c1,2006,11 4:30:00,28 ,       0, 2.65603,0.648095,0.927949
sgpcmbeC1.c1,2006,11 5:30:00,28 ,       0,2.749297,0.591256,1.005375
sgpcmbeC1.c1,2006,11 6:30:00,29 ,       0,2.267359,0.611684,0.774166
sgpcmbeC1.c1,2006,11 7:30:00,30 ,0.129351,47.03172,12.00936,13.72846
sgpcmbeC1.c1,2006,11 8:30:00,30 ,       0,203.2449,91.62359,68.48931
sgpcmbeC1.c1,2006,11 9:30:00,30 ,0.040989,360.3521,189.9035,141.4521
sgpcmbeC1.c1,2006,1110:30:00,30 ,0.265137,490.3989,274.6126,191.6171
sgpcmbeC1.c1,2006,1111:30:00,30 ,0.376541,568.0995,321.0674,203.1961
sgpcmbeC1.c1,2006,1112:30:00,30 ,0.048279,581.8745,337.8582,218.4161
sgpcmbeC1.c1,2006,1113:30:00,30 ,0.262913,532.1162, 299.059,200.3625
sgpcmbeC1.c1,2006,1114:30:00,30 ,0.040474,426.8727,222.9235,159.1797
sgpcmbeC1.c1,2006,1115:30:00,30 ,       0,279.7646,139.4573,93.25818
sgpcmbeC1.c1,2006,1116:30:00,30 ,0.017279,109.4253,40.90456,33.43459
sgpcmbeC1.c1,2006,1117:30:00,30 ,0.124415,8.100348,1.751681,2.004333
sgpcmbeC1.c1,2006,1118:30:00,28 ,       0,2.629925,0.662232, 0.87726
sgpcmbeC1.c1,2006,1119:30:00,29 ,       0,2.430848,0.569509,0.781639
sgpcmbeC1.c1,2006,1120:30:00,28 ,       0,1.971355,0.585828,0.665601
sgpcmbeC1.c1,2006,1121:30:00,27 ,       0,2.263302,0.560091,0.634639
sgpcmbeC1.c1,2006,1122:30:00,26 ,       0,1.992583,0.583942,0.616726
sgpcmbeC1.c1,2006,1123:30:00,29 ,       0,3.133144,0.603838,0.780403