datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,12 0:30:00,31 ,207.5415,355.4821,267.1459,40.95176
sgpcmbeC1.c1,1999,12 1:30:00,31 ,205.9345,354.6026,264.4991,40.99472
sgpcmbeC1.c1,1999,12 2:30:00,31 ,205.4317, 352.749,260.9544,39.89459
sgpcmbeC1.c1,1999,12 3:30:00,31 , 206.241,350.8456,261.1957,  40.666
sgpcmbeC1.c1,1999,12 4:30:00,31 ,205.7997,348.0938,258.8287,40.07368
sgpcmbeC1.c1,1999,12 5:30:00,31 ,205.2752,347.3832,258.2312,38.78593
sgpcmbeC1.c1,1999,12 6:30:00,31 ,205.3125,346.3332,257.4636,37.26801
sgpcmbeC1.c1,1999,12 7:30:00,31 ,205.8482,342.7637,260.0162,38.70022
sgpcmbeC1.c1,1999,12 8:30:00,31 , 211.097,343.0761,262.3836,38.56579
sgpcmbeC1.c1,1999,12 9:30:00,31 ,216.0879, 344.873,268.7244,38.22114
sgpcmbeC1.c1,1999,1210:30:00,31 ,218.0371,357.7368,269.4964,40.27387
sgpcmbeC1.c1,1999,1211:30:00,31 ,218.5189,353.2812,272.9264,41.00517
sgpcmbeC1.c1,1999,1212:30:00,31 ,214.9293,356.1636,275.2258,41.74541
sgpcmbeC1.c1,1999,1213:30:00,31 ,216.2082,361.3951,279.7201,42.25199
sgpcmbeC1.c1,1999,1214:30:00,31 ,217.4237,362.9519,279.6198,41.30197
sgpcmbeC1.c1,1999,1215:30:00,31 ,218.2423,380.4656,281.8126,42.91747
sgpcmbeC1.c1,1999,1216:30:00,31 ,217.7925,352.6601,278.8554,39.20762
sgpcmbeC1.c1,1999,1217:30:00,31 ,215.9923,353.4383,278.0334,40.92304
sgpcmbeC1.c1,1999,1218:30:00,31 ,214.1255,376.1768,277.4452,43.68601
sgpcmbeC1.c1,1999,1219:30:00,31 ,214.0135, 383.574,274.8508, 44.4478
sgpcmbeC1.c1,1999,1220:30:00,31 ,214.6008, 374.772, 272.839,43.03721
sgpcmbeC1.c1,1999,1221:30:00,31 ,214.6391,374.3835,269.9254,41.92389
sgpcmbeC1.c1,1999,1222:30:00,31 , 215.614,374.2538,271.6542,42.48749
sgpcmbeC1.c1,1999,1223:30:00,31 ,215.9817,372.6126,268.6704,39.97451