datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,01 0:30:00,20 ,273.4572,363.9447,308.6338,24.73381
sgpcmbeC1.c1,2007,01 1:30:00,19 ,278.5611,370.5479,310.6772, 24.4778
sgpcmbeC1.c1,2007,01 2:30:00,19 ,279.1025,371.2638,310.4311,24.71661
sgpcmbeC1.c1,2007,01 3:30:00,18 ,277.8129,368.5468,308.8392,23.46837
sgpcmbeC1.c1,2007,01 4:30:00,18 ,276.8155,366.2524,306.3459,23.34861
sgpcmbeC1.c1,2007,01 5:30:00,18 ,275.6638,364.2805,306.2644,22.96729
sgpcmbeC1.c1,2007,01 6:30:00,18 ,274.7483,362.5767,304.7373,23.49552
sgpcmbeC1.c1,2007,01 7:30:00,19 ,264.7611,361.9878,298.5991,24.22046
sgpcmbeC1.c1,2007,01 8:30:00,19 ,266.4498,366.5198,309.1196,22.92054
sgpcmbeC1.c1,2007,01 9:30:00,17 ,282.7441,375.0251,320.2896,24.09449
sgpcmbeC1.c1,2007,0110:30:00,17 ,282.3125,382.7864, 330.834, 25.1686
sgpcmbeC1.c1,2007,0111:30:00,18 ,287.9391,400.5117,345.2705,28.44769
sgpcmbeC1.c1,2007,0112:30:00,19 , 278.889,415.8853,348.3691,33.10575
sgpcmbeC1.c1,2007,0113:30:00,20 ,285.8156,426.1373,349.7202,35.85052
sgpcmbeC1.c1,2007,0114:30:00,20 ,292.0005,423.8402,351.6923,   34.22
sgpcmbeC1.c1,2007,0115:30:00,20 ,289.7288,416.4785,347.2113,31.14054
sgpcmbeC1.c1,2007,0116:30:00,20 ,286.8032,404.6754,336.0058,29.52052
sgpcmbeC1.c1,2007,0117:30:00,21 ,285.7473,392.2799,321.5358,27.69904
sgpcmbeC1.c1,2007,0118:30:00,19 ,275.1928,383.0581,317.2984, 27.4427
sgpcmbeC1.c1,2007,0119:30:00,20 , 271.213, 375.765,315.8055,26.04608
sgpcmbeC1.c1,2007,0120:30:00,22 ,268.8314,360.0177,312.7212,26.21585
sgpcmbeC1.c1,2007,0121:30:00,19 ,263.1492,350.2349,312.3223,24.69303
sgpcmbeC1.c1,2007,0122:30:00,18 ,269.6327,353.2845,311.6042,23.82697
sgpcmbeC1.c1,2007,0123:30:00,17 ,274.8496, 357.074,312.3677,22.84541