datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,04 0:30:00,30 ,305.3755,424.0934,373.1994,34.44974
sgpcmbeC1.c1,2001,04 1:30:00,30 ,300.4323,423.9363, 370.489,34.68636
sgpcmbeC1.c1,2001,04 2:30:00,30 ,299.7602,421.2356,368.9064,33.73754
sgpcmbeC1.c1,2001,04 3:30:00,30 ,298.3142,419.5392,367.5988,33.77279
sgpcmbeC1.c1,2001,04 4:30:00,30 ,300.4502,419.2577,366.2165,32.82673
sgpcmbeC1.c1,2001,04 5:30:00,30 ,302.6638,422.0749,365.0656,32.22194
sgpcmbeC1.c1,2001,04 6:30:00,30 ,312.7857,424.6978,369.8153,29.46837
sgpcmbeC1.c1,2001,04 7:30:00,30 ,332.9724,430.9331,384.6706,25.35105
sgpcmbeC1.c1,2001,04 8:30:00,30 , 352.724,437.9941,402.4036,23.64568
sgpcmbeC1.c1,2001,04 9:30:00,30 , 357.243,451.6549,419.0653,25.17575
sgpcmbeC1.c1,2001,0410:30:00,30 ,367.4098,475.9874,433.0178,28.23996
sgpcmbeC1.c1,2001,0411:30:00,30 ,373.9571,497.6664,444.6558,29.98695
sgpcmbeC1.c1,2001,0412:30:00,30 ,382.6885,508.1942,450.7097,30.81269
sgpcmbeC1.c1,2001,0413:30:00,30 ,395.2188,503.9792,454.0993, 28.8501
sgpcmbeC1.c1,2001,0414:30:00,30 ,395.2674,495.3073,454.0809,25.90898
sgpcmbeC1.c1,2001,0415:30:00,30 ,382.3336,485.7863,449.5683,24.33707
sgpcmbeC1.c1,2001,0416:30:00,30 ,375.7233,470.3189,438.6868,22.90727
sgpcmbeC1.c1,2001,0417:30:00,30 ,365.8917, 452.078,426.4149,22.35796
sgpcmbeC1.c1,2001,0418:30:00,30 ,353.4859,438.3947,407.3579,23.55459
sgpcmbeC1.c1,2001,0419:30:00,30 ,332.4591,429.6032,393.1906,27.99632
sgpcmbeC1.c1,2001,0420:30:00,30 ,318.8037, 431.229,387.2498,30.69865
sgpcmbeC1.c1,2001,0421:30:00,30 ,315.5801, 425.028,383.8942,30.85378
sgpcmbeC1.c1,2001,0422:30:00,30 ,309.2419,425.8135,381.2905,   32.15
sgpcmbeC1.c1,2001,0423:30:00,30 ,305.3565, 426.288,378.2753, 32.7793