datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,05 0:30:00,30 ,277.2552,420.1162,347.2921,41.38955
sgpcmbeC1.c1,2002,05 1:30:00,30 ,274.9692,418.7611,346.7423,40.72666
sgpcmbeC1.c1,2002,05 2:30:00,30 ,271.5065, 424.575,343.6857,43.27817
sgpcmbeC1.c1,2002,05 3:30:00,30 ,266.8945,425.7978, 341.618,40.65384
sgpcmbeC1.c1,2002,05 4:30:00,30 , 262.555,408.0189,337.0945,36.59606
sgpcmbeC1.c1,2002,05 5:30:00,30 , 261.297,398.1034, 338.881,35.98398
sgpcmbeC1.c1,2002,05 6:30:00,31 ,265.1353,390.7364,340.2762,  37.904
sgpcmbeC1.c1,2002,05 7:30:00,31 ,272.1027, 401.167,343.7231,37.57143
sgpcmbeC1.c1,2002,05 8:30:00,31 ,279.2927,410.6227,352.4789,37.50144
sgpcmbeC1.c1,2002,05 9:30:00,31 ,282.7235,415.5969,356.5097,38.34587
sgpcmbeC1.c1,2002,0510:30:00,31 ,285.5152,430.4127, 361.483,41.40232
sgpcmbeC1.c1,2002,0511:30:00,31 ,290.0918, 433.619,364.9714,40.89231
sgpcmbeC1.c1,2002,0512:30:00,31 ,292.9112,437.4519,373.0415,40.85588
sgpcmbeC1.c1,2002,0513:30:00,31 ,294.9428,437.6346,373.6586,38.85005
sgpcmbeC1.c1,2002,0514:30:00,31 ,298.3296,434.8788,371.6123, 39.6169
sgpcmbeC1.c1,2002,0515:30:00,31 , 299.671,434.6487,372.1513,40.18369
sgpcmbeC1.c1,2002,0516:30:00,31 , 302.458,434.2738,370.9193,38.46564
sgpcmbeC1.c1,2002,0517:30:00,31 ,301.0615,443.0128,367.8882,38.21525
sgpcmbeC1.c1,2002,0518:30:00,31 ,295.5616,424.2389, 363.183,  38.262
sgpcmbeC1.c1,2002,0519:30:00,31 ,289.8331,431.7176,360.5399,41.25426
sgpcmbeC1.c1,2002,0520:30:00,31 ,  286.37,427.3685,353.9116,40.16625
sgpcmbeC1.c1,2002,0521:30:00,31 ,283.9875,428.7017,349.7666,39.54349
sgpcmbeC1.c1,2002,0522:30:00,30 ,281.8228,409.9365,346.6987,38.03335
sgpcmbeC1.c1,2002,0523:30:00,30 ,278.5279,413.5978,343.5776,38.97607