datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,11 0:30:00,28 ,       0,0.914678,0.032667,0.172858
sgpcmbeC1.c1,2006,11 1:30:00,26 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,11 2:30:00,26 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,11 3:30:00,25 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,11 4:30:00,28 ,       0,0.337934,0.012069,0.063863
sgpcmbeC1.c1,2006,11 5:30:00,28 ,       0,0.451999,0.018298,0.085758
sgpcmbeC1.c1,2006,11 6:30:00,29 ,       0,0.014873,0.000803, 0.00298
sgpcmbeC1.c1,2006,11 7:30:00,30 ,       0,47.03172,11.83898,13.79506
sgpcmbeC1.c1,2006,11 8:30:00,30 ,       0,203.2449,91.56574,68.56887
sgpcmbeC1.c1,2006,11 9:30:00,30 ,       0,360.3521,189.9021, 141.454
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 ,       0,109.4253,40.90018,33.44012
sgpcmbeC1.c1,2006,1117:30:00,30 ,       0,7.450713,1.272103,1.899313
sgpcmbeC1.c1,2006,1118:30:00,28 ,       0,0.949167,0.063524, 0.23381
sgpcmbeC1.c1,2006,1119:30:00,29 ,       0,1.809998,0.069629,0.336965
sgpcmbeC1.c1,2006,1120:30:00,28 ,       0,0.220308,0.007868,0.041634
sgpcmbeC1.c1,2006,1121:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,1122:30:00,26 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,1123:30:00,29 ,       0,2.744798,0.094648,0.509696