datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,11 0:30:00,28 ,       0,       0,       0,       0
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,       0,       0
sgpcmbeC1.c1,2006,11 5:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,11 6:30:00,29 ,       0,0.597085,0.059296,0.147623
sgpcmbeC1.c1,2006,11 7:30:00,30 ,       0,38.91414,17.68723,10.30391
sgpcmbeC1.c1,2006,11 8:30:00,30 ,1.824126,127.9822,61.10134,32.24125
sgpcmbeC1.c1,2006,11 9:30:00,30 ,37.60932,217.4256,90.81041,46.48113
sgpcmbeC1.c1,2006,1110:30:00,30 ,27.09455,279.9165,117.1645,69.64694
sgpcmbeC1.c1,2006,1111:30:00,30 ,59.18516,316.2977,140.7684, 79.2751
sgpcmbeC1.c1,2006,1112:30:00,30 ,50.89098,389.5202,141.9997,97.20381
sgpcmbeC1.c1,2006,1113:30:00,30 ,39.28203, 290.361,125.1303,69.93206
sgpcmbeC1.c1,2006,1114:30:00,30 ,35.04221,238.0395,111.7918,57.61295
sgpcmbeC1.c1,2006,1115:30:00,30 ,20.09538,160.1656,79.01796,34.51124
sgpcmbeC1.c1,2006,1116:30:00,30 ,14.69792,76.27332,43.31551,16.83151
sgpcmbeC1.c1,2006,1117:30:00,30 ,       0,8.936002,3.788638,2.562231
sgpcmbeC1.c1,2006,1118:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,1119:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,1120:30:00,28 ,       0,       0,       0,       0
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,       0,       0,       0