datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,12 0:30:00,29 , 263.956,400.6826,309.4302,24.46591
sgpcmbeC1.c1,2007,12 1:30:00,30 ,266.0632,399.3945,307.4013,23.83584
sgpcmbeC1.c1,2007,12 2:30:00,30 ,264.2519,398.2231,307.0912,23.58077
sgpcmbeC1.c1,2007,12 3:30:00,30 ,261.4269,396.7135,306.6466,23.89989
sgpcmbeC1.c1,2007,12 4:30:00,30 , 256.957,394.2917, 306.089,24.51075
sgpcmbeC1.c1,2007,12 5:30:00,30 ,258.2737,389.5704,306.2499,24.83099
sgpcmbeC1.c1,2007,12 6:30:00,30 ,258.2771,  363.78,304.4916, 22.1067
sgpcmbeC1.c1,2007,12 7:30:00,30 , 253.405,367.3013,303.8918,22.88436
sgpcmbeC1.c1,2007,12 8:30:00,30 ,262.0714,369.7286,308.4784,20.68083
sgpcmbeC1.c1,2007,12 9:30:00,30 ,279.3037, 372.898,316.8937, 20.1677
sgpcmbeC1.c1,2007,1210:30:00,29 ,290.5937,379.3823,324.6604,23.74106
sgpcmbeC1.c1,2007,1211:30:00,28 , 292.643,395.2039,332.1852,27.85355
sgpcmbeC1.c1,2007,1212:30:00,30 ,293.7288,415.0956,335.5386,31.57645
sgpcmbeC1.c1,2007,1213:30:00,30 ,294.8689,423.3195,339.2875,34.19355
sgpcmbeC1.c1,2007,1214:30:00,30 ,293.0696,413.2566, 339.263,32.59784
sgpcmbeC1.c1,2007,1215:30:00,30 ,291.6727, 406.315,336.6233,30.72148
sgpcmbeC1.c1,2007,1216:30:00,30 , 290.065,393.7309,329.2059,26.05558
sgpcmbeC1.c1,2007,1217:30:00,30 ,283.0929,396.5951,318.4568,22.56638
sgpcmbeC1.c1,2007,1218:30:00,28 ,284.0101,400.4219, 315.574,22.05362
sgpcmbeC1.c1,2007,1219:30:00,29 ,284.0155,403.0323,315.3485,23.26106
sgpcmbeC1.c1,2007,1220:30:00,29 ,277.6495,402.3235,312.7973,23.03009
sgpcmbeC1.c1,2007,1221:30:00,29 ,272.9242,400.2637, 310.596,23.29058
sgpcmbeC1.c1,2007,1222:30:00,29 ,267.2095,401.8936,309.6163,23.44661
sgpcmbeC1.c1,2007,1223:30:00,29 ,265.5704,400.8749, 309.164,23.65195