datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,11 0:30:00,27 ,       0, 997.137, 51.2322,191.1869
sgpcmbeC1.c1,2006,11 1:30:00,27 ,       0,1498.384,70.50899,286.8961
sgpcmbeC1.c1,2006,11 2:30:00,27 ,       0, 1017.78,58.79228,195.2791
sgpcmbeC1.c1,2006,11 3:30:00,27 ,       0,1628.495, 84.7602,312.4468
sgpcmbeC1.c1,2006,11 4:30:00,27 ,       0,1432.451,70.98849,275.0133
sgpcmbeC1.c1,2006,11 5:30:00,27 ,       0,1010.801, 57.7335,197.4217
sgpcmbeC1.c1,2006,11 6:30:00,27 ,       0,255.3959,31.29023,67.80438
sgpcmbeC1.c1,2006,11 7:30:00,27 ,       0,237.2626, 29.0636,57.31116
sgpcmbeC1.c1,2006,11 8:30:00,28 ,       0, 430.356,44.60112,113.8115
sgpcmbeC1.c1,2006,11 9:30:00,28 ,       0,443.3233, 45.8846,111.4957
sgpcmbeC1.c1,2006,1110:30:00,28 ,       0,309.7428,25.34264,61.35917
sgpcmbeC1.c1,2006,1111:30:00,28 ,       0,187.8951,20.81756,48.81034
sgpcmbeC1.c1,2006,1112:30:00,28 ,       0,689.2173,36.79939,131.3839
sgpcmbeC1.c1,2006,1113:30:00,28 ,       0, 1389.94,59.46374,261.7959
sgpcmbeC1.c1,2006,1114:30:00,28 ,       0,1757.795, 72.2537,331.0889
sgpcmbeC1.c1,2006,1115:30:00,28 ,       0,1197.445,51.11473, 225.115
sgpcmbeC1.c1,2006,1116:30:00,27 ,       0,244.0582,18.33514,47.47577
sgpcmbeC1.c1,2006,1117:30:00,27 ,       0,  883.63,46.40357, 168.262
sgpcmbeC1.c1,2006,1118:30:00,26 ,       0,349.0186,39.62431,81.92963
sgpcmbeC1.c1,2006,1119:30:00,26 ,       0,263.1715,43.12564,74.44672
sgpcmbeC1.c1,2006,1120:30:00,26 ,       0,160.9453,26.76735,44.35877
sgpcmbeC1.c1,2006,1121:30:00,26 ,       0,202.0008,28.42484,51.60875
sgpcmbeC1.c1,2006,1122:30:00,26 ,       0,695.9329,52.22905,139.8329
sgpcmbeC1.c1,2006,1123:30:00,26 ,       0,1211.116,68.05646,236.5444