datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,02 0:30:00,29 ,249.7998, 368.688,307.5834,28.86922
sgpcmbeC1.c1,2004,02 1:30:00,29 ,254.2363,372.7455,306.6909,29.41468
sgpcmbeC1.c1,2004,02 2:30:00,29 ,254.3893,370.5854,305.5661,28.88725
sgpcmbeC1.c1,2004,02 3:30:00,29 , 252.647,364.8505,305.8286,28.63739
sgpcmbeC1.c1,2004,02 4:30:00,29 ,249.1295,371.2338,304.9355,29.17072
sgpcmbeC1.c1,2004,02 5:30:00,29 , 246.144,370.6337,303.5551,29.03507
sgpcmbeC1.c1,2004,02 6:30:00,29 ,244.2942,367.1407,303.2789,29.21906
sgpcmbeC1.c1,2004,02 7:30:00,29 ,  243.04,365.8693,304.4979,29.48156
sgpcmbeC1.c1,2004,02 8:30:00,29 ,250.6458,374.0476,314.2845, 28.9764
sgpcmbeC1.c1,2004,02 9:30:00,29 ,265.5042,386.2633,326.7753,30.06395
sgpcmbeC1.c1,2004,0210:30:00,29 ,276.7203,402.1449,341.4095,34.41264
sgpcmbeC1.c1,2004,0211:30:00,29 ,285.0599,418.0811,353.0387,38.68898
sgpcmbeC1.c1,2004,0212:30:00,29 ,292.0255,430.4247,362.0394,41.98571
sgpcmbeC1.c1,2004,0213:30:00,29 ,295.8945,435.5161,368.0864,43.94898
sgpcmbeC1.c1,2004,0214:30:00,29 ,295.3241,430.9941,367.4939,42.27048
sgpcmbeC1.c1,2004,0215:30:00,29 ,293.3669,422.5589,362.2448,39.72185
sgpcmbeC1.c1,2004,0216:30:00,29 ,287.0353,420.1389,353.3602,37.58665
sgpcmbeC1.c1,2004,0217:30:00,29 ,274.2842,408.7177,339.5875,35.08808
sgpcmbeC1.c1,2004,0218:30:00,29 , 259.903,400.6162,326.4876,32.88199
sgpcmbeC1.c1,2004,0219:30:00,29 ,255.0062,397.5343,322.0989,32.99457
sgpcmbeC1.c1,2004,0220:30:00,29 ,253.3041,388.0031,318.5703,30.88652
sgpcmbeC1.c1,2004,0221:30:00,29 ,250.0002,374.5394,314.9153, 30.2454
sgpcmbeC1.c1,2004,0222:30:00,29 ,250.5511, 365.056,311.7171,29.56517
sgpcmbeC1.c1,2004,0223:30:00,29 , 248.717,367.6288,310.1905,29.81182