datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,03 0:30:00,31 ,0.010844,0.365601,0.045228,0.067799
sgpcmbeC1.c1,1997,03 1:30:00,31 ,0.010355, 0.15812,0.040276, 0.03637
sgpcmbeC1.c1,1997,03 2:30:00,31 ,0.010593,0.079452,0.029226,0.018379
sgpcmbeC1.c1,1997,03 3:30:00,31 ,0.010534,0.117749,0.037071,0.027439
sgpcmbeC1.c1,1997,03 4:30:00,31 , 0.01094,0.095557,0.030686,0.019854
sgpcmbeC1.c1,1997,03 5:30:00,31 ,0.011294,0.090276,0.032974,0.022505
sgpcmbeC1.c1,1997,03 6:30:00,31 ,0.012412,0.126125,0.040983,0.034494
sgpcmbeC1.c1,1997,03 7:30:00,31 ,0.012057, 0.15259,0.032189,0.027457
sgpcmbeC1.c1,1997,03 8:30:00,31 ,0.012158,0.270782,0.040276,0.053019
sgpcmbeC1.c1,1997,03 9:30:00,30 ,0.012093,0.295782,0.052843, 0.06817
sgpcmbeC1.c1,1997,0310:30:00,30 ,0.011608,0.127698,0.034427,0.028059
sgpcmbeC1.c1,1997,0311:30:00,29 ,0.012759,0.102689,0.033583,0.020525
sgpcmbeC1.c1,1997,0312:30:00,29 ,0.016211, 0.16929,0.043338,0.035874
sgpcmbeC1.c1,1997,0313:30:00,28 ,0.013881,0.061958,0.031994,0.014426
sgpcmbeC1.c1,1997,0314:30:00,28 ,0.014335,0.104906,0.036494,0.022883
sgpcmbeC1.c1,1997,0315:30:00,29 ,0.014416, 0.07912, 0.03206,0.014494
sgpcmbeC1.c1,1997,0316:30:00,29 ,0.014357,0.148666,0.037854,0.024978
sgpcmbeC1.c1,1997,0317:30:00,29 ,0.011402,0.173342,0.039295,0.036086
sgpcmbeC1.c1,1997,0318:30:00,30 ,0.011245,0.296791,0.037472,0.051505
sgpcmbeC1.c1,1997,0319:30:00,31 ,0.012739,0.184108,0.038436,0.036719
sgpcmbeC1.c1,1997,0320:30:00,31 ,0.010831,0.230431,0.036226,0.040257
sgpcmbeC1.c1,1997,0321:30:00,31 ,0.011685,0.233023,0.037813,0.042977
sgpcmbeC1.c1,1997,0322:30:00,30 ,0.010427, 0.11676, 0.02921,0.022987
sgpcmbeC1.c1,1997,0323:30:00,31 , 0.01041,0.313301,0.036745,0.055436