datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,12 0:30:00,31 ,254.4152, 370.549,310.2621,24.75519
sgpcmbeC1.c1,2004,12 1:30:00,31 ,253.4028,370.4598,308.0681,23.98402
sgpcmbeC1.c1,2004,12 2:30:00,31 ,251.3792,370.6645,307.2078,24.76256
sgpcmbeC1.c1,2004,12 3:30:00,31 ,249.5168,370.7249,306.5009,25.02762
sgpcmbeC1.c1,2004,12 4:30:00,31 ,248.9793,375.0462, 305.515,26.17808
sgpcmbeC1.c1,2004,12 5:30:00,31 ,246.3747,376.7072,304.6434,26.48528
sgpcmbeC1.c1,2004,12 6:30:00,31 ,246.1365,377.7667,303.9213,26.44637
sgpcmbeC1.c1,2004,12 7:30:00,31 ,244.2623, 377.287,303.7387,25.93421
sgpcmbeC1.c1,2004,12 8:30:00,31 ,258.2045,380.9779,313.5045,24.25802
sgpcmbeC1.c1,2004,12 9:30:00,31 ,275.9121,391.3491,330.4994,25.09183
sgpcmbeC1.c1,2004,1210:30:00,31 , 288.166,397.8323,347.6653,26.17717
sgpcmbeC1.c1,2004,1211:30:00,31 , 290.724, 408.876,361.5431,27.64419
sgpcmbeC1.c1,2004,1212:30:00,31 ,292.8683,419.1387,369.9363,29.09781
sgpcmbeC1.c1,2004,1213:30:00,31 ,294.6901,424.2435,374.4141,30.26948
sgpcmbeC1.c1,2004,1214:30:00,31 ,296.8609,423.9973,371.4997,30.40004
sgpcmbeC1.c1,2004,1215:30:00,31 ,292.6621,419.4702,364.5628,30.09485
sgpcmbeC1.c1,2004,1216:30:00,31 ,285.6838,408.9933,350.8051,28.84178
sgpcmbeC1.c1,2004,1217:30:00,31 ,278.6867,393.2218,332.4076,27.17152
sgpcmbeC1.c1,2004,1218:30:00,31 , 274.673,384.2812,325.8108,26.00946
sgpcmbeC1.c1,2004,1219:30:00,31 ,274.2938,380.0133,323.0952,25.63057
sgpcmbeC1.c1,2004,1220:30:00,31 ,268.4564,377.7797,320.5449,26.59959
sgpcmbeC1.c1,2004,1221:30:00,31 ,267.0203, 374.065,318.5122,26.12979
sgpcmbeC1.c1,2004,1222:30:00,31 ,  264.02,371.7002,315.7946,26.11053
sgpcmbeC1.c1,2004,1223:30:00,31 ,259.4678,369.7682,314.1981,26.41575