datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,11 0:30:00,26 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,11 1:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,11 2:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,11 3:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,11 4:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,11 5:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,11 6:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,11 7:30:00,30 ,0.244397,35.45173,13.39778,8.644396
sgpcmbeC1.c1,2003,11 8:30:00,30 ,15.49005, 141.006,55.36891,28.50416
sgpcmbeC1.c1,2003,11 9:30:00,30 ,43.04144,219.2683,105.5084,58.33301
sgpcmbeC1.c1,2003,1110:30:00,30 ,  47.856,293.0921,135.3801,73.50037
sgpcmbeC1.c1,2003,1111:30:00,30 ,48.97141,406.7558, 158.336,95.84169
sgpcmbeC1.c1,2003,1112:30:00,30 ,45.51832,329.8463, 153.755, 93.0172
sgpcmbeC1.c1,2003,1113:30:00,30 , 29.6347,287.5714,141.0056,85.80489
sgpcmbeC1.c1,2003,1114:30:00,30 ,30.30755,246.0123,115.9139,62.85983
sgpcmbeC1.c1,2003,1115:30:00,30 ,21.61963,139.6743,79.30627,36.42091
sgpcmbeC1.c1,2003,1116:30:00,30 ,9.936804,68.34178,36.61059, 15.4089
sgpcmbeC1.c1,2003,1117:30:00,30 ,       0, 9.28724,2.747012,2.335148
sgpcmbeC1.c1,2003,1118:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,1119:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,1120:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,1121:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,1122:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,1123:30:00,27 ,       0,       0,       0,       0