datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,02 0:30:00,28 ,270.9715,390.9781,315.5986,27.27646
sgpcmbeC1.c1,2001,02 1:30:00,28 ,267.9663,390.4678, 315.029,28.77321
sgpcmbeC1.c1,2001,02 2:30:00,28 ,266.6875,391.2313,314.8418,28.63271
sgpcmbeC1.c1,2001,02 3:30:00,28 ,265.0915,390.8888,314.3131,28.79898
sgpcmbeC1.c1,2001,02 4:30:00,28 ,262.7567, 390.064,313.7048,28.83706
sgpcmbeC1.c1,2001,02 5:30:00,28 ,266.1188, 387.544,313.5403,28.99555
sgpcmbeC1.c1,2001,02 6:30:00,28 ,265.3731,389.2425,313.0685,29.67115
sgpcmbeC1.c1,2001,02 7:30:00,28 ,  267.16, 390.396,313.8828,29.25714
sgpcmbeC1.c1,2001,02 8:30:00,28 ,279.0482,389.1314,320.3673,24.96833
sgpcmbeC1.c1,2001,02 9:30:00,28 ,291.6092,392.6601,329.3801,24.60821
sgpcmbeC1.c1,2001,0210:30:00,28 ,295.0536,401.6547,340.4511,27.59376
sgpcmbeC1.c1,2001,0211:30:00,28 ,297.7004,402.3843,350.3866,30.71234
sgpcmbeC1.c1,2001,0212:30:00,28 ,297.3629, 418.145, 355.134,33.50489
sgpcmbeC1.c1,2001,0213:30:00,28 ,299.9705,424.3416,358.2709,34.15855
sgpcmbeC1.c1,2001,0214:30:00,28 ,300.1397,428.5502,360.0969,35.51994
sgpcmbeC1.c1,2001,0215:30:00,28 ,299.3252,421.6271,356.8133,34.11929
sgpcmbeC1.c1,2001,0216:30:00,28 ,296.1742,407.1157,348.9552,31.94023
sgpcmbeC1.c1,2001,0217:30:00,28 ,  292.36,388.5505,337.3669,27.61535
sgpcmbeC1.c1,2001,0218:30:00,27 ,288.6315,378.8994,327.5404,25.08476
sgpcmbeC1.c1,2001,0219:30:00,28 ,284.9053,372.9458,322.9744,23.71885
sgpcmbeC1.c1,2001,0220:30:00,28 ,279.7267,371.9438,320.3805,23.43951
sgpcmbeC1.c1,2001,0221:30:00,28 ,276.8388,376.1288,318.9235,24.70465
sgpcmbeC1.c1,2001,0222:30:00,28 ,274.2948,376.6945, 317.657,25.30765
sgpcmbeC1.c1,2001,0223:30:00,28 ,272.4545,387.5682,316.7096,26.46904