datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,05 0:30:00,31 ,278.4303,410.5423,347.1326,42.17175
sgpcmbeC1.c1,2006,05 1:30:00,31 ,265.8555,415.9823,346.8161,44.22401
sgpcmbeC1.c1,2006,05 2:30:00,31 , 266.153,414.4605,344.3829,42.85576
sgpcmbeC1.c1,2006,05 3:30:00,31 ,261.3022,410.2328,342.4804,41.56896
sgpcmbeC1.c1,2006,05 4:30:00,31 , 258.066,408.8328,340.8459,41.73313
sgpcmbeC1.c1,2006,05 5:30:00,31 ,257.6335,403.6572,336.5444,41.78517
sgpcmbeC1.c1,2006,05 6:30:00,31 ,259.7323,399.5829,336.4815,  39.583
sgpcmbeC1.c1,2006,05 7:30:00,31 ,266.3238,400.7528,340.6567,35.94528
sgpcmbeC1.c1,2006,05 8:30:00,31 ,272.6675,389.2613,346.5855,34.93779
sgpcmbeC1.c1,2006,05 9:30:00,31 ,280.2047,397.3653,352.3198,34.42481
sgpcmbeC1.c1,2006,0510:30:00,31 , 282.055,411.9117,358.6866,34.44992
sgpcmbeC1.c1,2006,0511:30:00,31 , 285.162,406.5143,365.7539,32.27245
sgpcmbeC1.c1,2006,0512:30:00,31 , 288.317,422.0375,372.4372,35.51379
sgpcmbeC1.c1,2006,0513:30:00,31 ,294.2566,428.5073,375.8085,35.76669
sgpcmbeC1.c1,2006,0514:30:00,31 ,298.4074,436.0222,  378.77,36.07539
sgpcmbeC1.c1,2006,0515:30:00,31 ,297.5774,427.5593,375.7284,38.65857
sgpcmbeC1.c1,2006,0516:30:00,31 ,285.0761,425.6409,372.5681, 40.3071
sgpcmbeC1.c1,2006,0517:30:00,31 ,281.3121,426.6906,368.1738,40.30048
sgpcmbeC1.c1,2006,0518:30:00,31 ,282.4228,431.3476, 365.968,37.95439
sgpcmbeC1.c1,2006,0519:30:00,31 ,279.6497,432.0963,358.8681,37.06018
sgpcmbeC1.c1,2006,0520:30:00,31 ,276.1114,412.1216,353.1502,36.74663
sgpcmbeC1.c1,2006,0521:30:00,31 ,274.7545,405.9887, 350.656,39.70473
sgpcmbeC1.c1,2006,0522:30:00,31 , 273.349,411.8641,349.4941,40.70704
sgpcmbeC1.c1,2006,0523:30:00,31 , 279.771,404.3681,348.8538,37.54994