datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,04 0:30:00,30 ,253.4242,404.8335,307.1173,38.80231
sgpcmbeC1.c1,1998,04 1:30:00,30 ,248.9607,402.1803,303.3473,40.09049
sgpcmbeC1.c1,1998,04 2:30:00,30 ,246.9315,400.1371,298.5719,38.61306
sgpcmbeC1.c1,1998,04 3:30:00,30 ,243.4725,387.2794, 295.475,37.63812
sgpcmbeC1.c1,1998,04 4:30:00,30 ,243.3447,375.0207,295.4617,37.06052
sgpcmbeC1.c1,1998,04 5:30:00,30 ,241.1694,369.8067,296.2188,37.98096
sgpcmbeC1.c1,1998,04 6:30:00,30 , 242.285, 362.077,295.4616,  38.185
sgpcmbeC1.c1,1998,04 7:30:00,30 ,244.8737,364.3265,297.9686,36.67733
sgpcmbeC1.c1,1998,04 8:30:00,30 ,250.0652,364.3994,306.4117,34.09827
sgpcmbeC1.c1,1998,04 9:30:00,30 ,257.0281,368.2866,313.5531, 33.6686
sgpcmbeC1.c1,1998,0410:30:00,30 ,264.9648,371.1665, 315.566,31.14791
sgpcmbeC1.c1,1998,0411:30:00,30 ,270.0068,371.3207,318.8404,28.53264
sgpcmbeC1.c1,1998,0412:30:00,30 ,275.7252,370.8605,323.2612,28.04576
sgpcmbeC1.c1,1998,0413:30:00,30 ,272.4213, 369.565,324.9883,27.39416
sgpcmbeC1.c1,1998,0414:30:00,30 ,270.3675,364.5568,327.7045, 27.4803
sgpcmbeC1.c1,1998,0415:30:00,30 ,273.5746,372.8349,326.8072,  27.544
sgpcmbeC1.c1,1998,0416:30:00,30 ,273.2965,377.1779,324.3745,28.26091
sgpcmbeC1.c1,1998,0417:30:00,30 ,272.9368,394.2471,322.9736,31.30748
sgpcmbeC1.c1,1998,0418:30:00,30 ,270.0983,383.0859, 324.398,33.23683
sgpcmbeC1.c1,1998,0419:30:00,30 ,266.4328,385.6746,322.5683,36.67367
sgpcmbeC1.c1,1998,0420:30:00,30 ,263.2002,376.1283,317.2222,34.95098
sgpcmbeC1.c1,1998,0421:30:00,30 , 262.287,403.2971,313.8883,37.04694
sgpcmbeC1.c1,1998,0422:30:00,30 ,260.4465,405.1074,311.7963,38.32993
sgpcmbeC1.c1,1998,0423:30:00,30 ,258.2589,405.0157,310.6583,36.52208