datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,02 0:30:00,22 ,0.018295,730.7693,78.66205,163.9786
sgpcmbeC1.c1,2001,02 1:30:00,19 ,       0,265.7975,41.78412,67.91803
sgpcmbeC1.c1,2001,02 2:30:00,19 ,       0,288.9682,58.12845,90.72402
sgpcmbeC1.c1,2001,02 3:30:00,19 ,       0,238.3699,52.77609, 78.5761
sgpcmbeC1.c1,2001,02 4:30:00,20 ,0.000034,293.4922,80.24678,113.9347
sgpcmbeC1.c1,2001,02 5:30:00,20 ,0.000992,693.1856,85.03106,162.1445
sgpcmbeC1.c1,2001,02 6:30:00,20 ,0.004431,1751.724,160.1956,395.5176
sgpcmbeC1.c1,2001,02 7:30:00,20 ,       0,1138.933,115.8539,251.7721
sgpcmbeC1.c1,2001,02 8:30:00,19 ,       0,246.2081,73.46465,85.78746
sgpcmbeC1.c1,2001,02 9:30:00,22 ,0.000356,452.7487,78.33382,115.1348
sgpcmbeC1.c1,2001,0210:30:00,23 ,       0,247.6611,73.14596,90.10852
sgpcmbeC1.c1,2001,0211:30:00,23 ,       0, 302.911,87.65964,109.2477
sgpcmbeC1.c1,2001,0212:30:00,23 ,0.012583,544.6015,104.6983,147.8116
sgpcmbeC1.c1,2001,0213:30:00,22 ,0.001688,641.8732,119.9649,175.5712
sgpcmbeC1.c1,2001,0214:30:00,22 ,0.043825,482.4341,80.33716,121.5073
sgpcmbeC1.c1,2001,0215:30:00,22 ,0.031584,1345.969,126.5209,288.4003
sgpcmbeC1.c1,2001,0216:30:00,23 ,       0, 1020.13,129.0833,247.2793
sgpcmbeC1.c1,2001,0217:30:00,23 ,0.005783,1263.501,147.0263, 286.622
sgpcmbeC1.c1,2001,0218:30:00,24 ,0.300709,604.0615, 105.354,161.0743
sgpcmbeC1.c1,2001,0219:30:00,24 ,0.005018,711.7244,96.46166,160.4864
sgpcmbeC1.c1,2001,0220:30:00,24 ,0.266441,982.2741, 120.374,225.9251
sgpcmbeC1.c1,2001,0221:30:00,23 ,0.010584,843.3466,94.79016,185.2209
sgpcmbeC1.c1,2001,0222:30:00,22 ,0.099435,293.3147,58.02383,83.73784
sgpcmbeC1.c1,2001,0223:30:00,22 ,0.114854,259.8488,57.43036,84.29796