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 1:30:00,27 ,       0,3.163707,0.741848,0.857226
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, 0.67098,0.806494
sgpcmbeC1.c1,2006,11 7:30:00,30 ,0.333497,75.88565,29.69659, 20.7321
sgpcmbeC1.c1,2006,11 8:30:00,30 ,3.015708, 263.133,152.7249,79.19895
sgpcmbeC1.c1,2006,11 9:30:00,30 ,37.65031, 437.648,280.7139,136.2382
sgpcmbeC1.c1,2006,1110:30:00,30 ,27.43942,567.8054,391.7772,166.4208
sgpcmbeC1.c1,2006,1111:30:00,30 ,63.13766,648.3557,461.8359,175.8557
sgpcmbeC1.c1,2006,1112:30:00,30 ,50.93926,664.2559,479.8579,186.9285
sgpcmbeC1.c1,2006,1113:30:00,30 ,39.54494,615.1635,424.1893, 177.084
sgpcmbeC1.c1,2006,1114:30:00,30 ,35.17958,502.7177,334.7153,141.1676
sgpcmbeC1.c1,2006,1115:30:00,30 ,20.22573,342.9674,218.4753,91.32026
sgpcmbeC1.c1,2006,1116:30:00,30 ,14.80396,153.3546,84.22007, 37.4253
sgpcmbeC1.c1,2006,1117:30:00,30 ,0.510262,16.60153,5.540318,3.941524
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