datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,01 0:30:00,29 , 222.019, 348.789,282.9335,36.47884
sgpcmbeC1.c1,1998,01 1:30:00,29 ,221.7125,347.2534,281.5796,37.21042
sgpcmbeC1.c1,1998,01 2:30:00,29 ,222.1237,366.7132,283.1142,39.45796
sgpcmbeC1.c1,1998,01 3:30:00,29 , 221.929,350.4515,283.8164,37.85125
sgpcmbeC1.c1,1998,01 4:30:00,29 ,221.9061,341.8649,283.9949, 37.0006
sgpcmbeC1.c1,1998,01 5:30:00,29 ,222.8832,341.6903,283.4573,36.80066
sgpcmbeC1.c1,1998,01 6:30:00,29 ,223.2962,339.3281,281.0812,36.09409
sgpcmbeC1.c1,1998,01 7:30:00,29 ,222.7934,350.3961,280.3802,36.45821
sgpcmbeC1.c1,1998,01 8:30:00,29 ,222.7188,352.5096,277.7475,37.35667
sgpcmbeC1.c1,1998,01 9:30:00,29 ,224.1201,353.5348,280.1515, 36.5526
sgpcmbeC1.c1,1998,0110:30:00,29 ,227.5176,368.0207,287.2359,37.62572
sgpcmbeC1.c1,1998,0111:30:00,29 ,231.1127,368.2431,288.9928,36.68847
sgpcmbeC1.c1,1998,0112:30:00,29 ,236.8605,356.9008, 288.639,31.69761
sgpcmbeC1.c1,1998,0113:30:00,29 ,226.5136,356.8235,291.4855,30.07765
sgpcmbeC1.c1,1998,0114:30:00,29 ,227.6403,358.4642,293.0615,27.55675
sgpcmbeC1.c1,1998,0115:30:00,29 , 229.435,357.8497,291.2159, 29.9629
sgpcmbeC1.c1,1998,0116:30:00,29 ,230.0975,355.2308,290.1133,31.79564
sgpcmbeC1.c1,1998,0117:30:00,29 ,227.9732,355.3798,  289.71,33.10708
sgpcmbeC1.c1,1998,0118:30:00,28 ,226.8855,345.3155, 284.474,35.43467
sgpcmbeC1.c1,1998,0119:30:00,28 ,225.2363,346.0641,282.2033,36.83942
sgpcmbeC1.c1,1998,0120:30:00,28 , 222.971, 347.603,279.3304,36.74023
sgpcmbeC1.c1,1998,0121:30:00,28 ,223.3032,348.2896,279.6208,35.39455
sgpcmbeC1.c1,1998,0122:30:00,29 ,223.9965,350.1106,282.5777,36.72115
sgpcmbeC1.c1,1998,0123:30:00,29 ,222.5485,354.7303, 285.323,36.70828