datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,05 0:30:00,31 ,273.1342,399.3289,  347.31,34.51719
sgpcmbeC1.c1,2001,05 1:30:00,31 ,268.7967,412.6825,348.4886,39.24645
sgpcmbeC1.c1,2001,05 2:30:00,31 ,266.4625, 406.141,346.2334,39.70946
sgpcmbeC1.c1,2001,05 3:30:00,31 ,266.7599,  414.17,346.5565,40.72014
sgpcmbeC1.c1,2001,05 4:30:00,31 , 266.133,410.7431,345.2769,41.40554
sgpcmbeC1.c1,2001,05 5:30:00,31 ,266.8727, 404.853,344.0186,40.15277
sgpcmbeC1.c1,2001,05 6:30:00,31 , 273.289, 409.589, 342.504, 38.2784
sgpcmbeC1.c1,2001,05 7:30:00,31 ,  281.16,409.8798,347.3312, 36.9972
sgpcmbeC1.c1,2001,05 8:30:00,31 ,288.5043,414.0493, 354.524,36.65794
sgpcmbeC1.c1,2001,05 9:30:00,31 ,296.0994,418.9134,358.8475,34.23425
sgpcmbeC1.c1,2001,0510:30:00,31 ,300.2784,420.6844,363.4625, 31.4174
sgpcmbeC1.c1,2001,0511:30:00,31 ,304.8835,419.9176,370.0784,32.60594
sgpcmbeC1.c1,2001,0512:30:00,31 ,310.1315,434.0849,373.8005,34.69572
sgpcmbeC1.c1,2001,0513:30:00,31 ,310.4657,446.2727,378.5581,34.38871
sgpcmbeC1.c1,2001,0514:30:00,31 , 311.579,429.6841,379.9226,31.81701
sgpcmbeC1.c1,2001,0515:30:00,31 ,316.8283,416.2291, 381.433,27.52251
sgpcmbeC1.c1,2001,0516:30:00,31 ,301.8002,430.3805,378.3858,28.59812
sgpcmbeC1.c1,2001,0517:30:00,31 ,299.1222,431.7742,374.7311,30.51554
sgpcmbeC1.c1,2001,0518:30:00,31 ,296.6117,408.5522, 370.028,29.64536
sgpcmbeC1.c1,2001,0519:30:00,31 ,290.9695,417.9716,365.2878, 32.1368
sgpcmbeC1.c1,2001,0520:30:00,31 ,285.0252,417.8809,361.1979,33.88572
sgpcmbeC1.c1,2001,0521:30:00,31 ,281.2133,416.9649,359.0501,32.74054
sgpcmbeC1.c1,2001,0522:30:00,31 ,276.8045,412.1416,354.8164, 32.4274
sgpcmbeC1.c1,2001,0523:30:00,31 ,275.5776,417.0349,349.2869,34.53798