datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,02 0:30:00,27 ,       0, 138.204,10.78315,31.55995
sgpcmbeC1.c1,2000,02 1:30:00,27 ,       0,181.8727,12.73329,37.65069
sgpcmbeC1.c1,2000,02 2:30:00,27 ,       0,224.0921,22.60145,59.41247
sgpcmbeC1.c1,2000,02 3:30:00,27 ,       0,219.5568,21.80929,58.29416
sgpcmbeC1.c1,2000,02 4:30:00,26 ,       0,252.2104, 14.2896,49.70634
sgpcmbeC1.c1,2000,02 5:30:00,26 ,       0,43.74108,4.730096,11.02051
sgpcmbeC1.c1,2000,02 6:30:00,26 ,       0,42.58938,4.088272,10.37638
sgpcmbeC1.c1,2000,02 7:30:00,27 ,       0,111.0531,8.687012,24.47256
sgpcmbeC1.c1,2000,02 8:30:00,27 ,       0,87.74193,7.586315,20.60573
sgpcmbeC1.c1,2000,02 9:30:00,27 ,       0, 217.681,14.33958,45.07481
sgpcmbeC1.c1,2000,0210:30:00,27 ,       0,150.0647,13.09472,37.66748
sgpcmbeC1.c1,2000,0211:30:00,27 ,       0,155.9892,9.539042,30.51929
sgpcmbeC1.c1,2000,0212:30:00,27 ,       0,139.1148,12.35053,31.16553
sgpcmbeC1.c1,2000,0213:30:00,27 ,       0,121.6865,16.03258,35.21353
sgpcmbeC1.c1,2000,0214:30:00,27 ,       0,   161.8,14.66972,36.29268
sgpcmbeC1.c1,2000,0215:30:00,25 ,       0,101.7123,9.317526,24.42404
sgpcmbeC1.c1,2000,0216:30:00,26 ,       0,131.4017,11.21123,27.95365
sgpcmbeC1.c1,2000,0217:30:00,26 ,       0,196.5878,11.88974,38.94095
sgpcmbeC1.c1,2000,0218:30:00,26 ,       0,143.8555,9.426676,29.15047
sgpcmbeC1.c1,2000,0219:30:00,26 ,       0,239.2792,12.90861,46.79744
sgpcmbeC1.c1,2000,0220:30:00,25 ,       0,41.60432,3.940468,9.940255
sgpcmbeC1.c1,2000,0221:30:00,26 ,       0,276.1011,14.01277,54.62957
sgpcmbeC1.c1,2000,0222:30:00,26 ,       0,47.01577, 5.39629,10.84661
sgpcmbeC1.c1,2000,0223:30:00,26 ,       0,89.96786,5.783238,17.70507