datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,08 0:30:00,24 ,       0,276.2824,14.18067,56.08169
sgpcmbeC1.c1,1999,08 1:30:00,23 ,       0, 73.2579,8.848779,18.90963
sgpcmbeC1.c1,1999,08 2:30:00,23 ,       0,374.2643,30.92441,83.83899
sgpcmbeC1.c1,1999,08 3:30:00,23 ,       0,568.1586,46.72299,129.7765
sgpcmbeC1.c1,1999,08 4:30:00,23 ,       0, 846.641,60.95436,186.1506
sgpcmbeC1.c1,1999,08 5:30:00,23 ,       0,498.3193,72.61849,147.9841
sgpcmbeC1.c1,1999,08 6:30:00,23 ,       0,659.1584,56.27442,146.6015
sgpcmbeC1.c1,1999,08 7:30:00,22 ,       0,257.8184,31.58006,66.74069
sgpcmbeC1.c1,1999,08 8:30:00,22 ,       0,351.7207,38.82661,91.64162
sgpcmbeC1.c1,1999,08 9:30:00,22 ,       0,115.2468,14.44764,32.66727
sgpcmbeC1.c1,1999,0810:30:00,22 ,       0, 82.5133,7.374064,18.30063
sgpcmbeC1.c1,1999,0811:30:00,21 ,       0,133.5714,11.93508, 29.9491
sgpcmbeC1.c1,1999,0812:30:00,20 ,       0,187.7926,21.31598,47.12154
sgpcmbeC1.c1,1999,0813:30:00,20 ,       0,256.4473,27.41868,63.29685
sgpcmbeC1.c1,1999,0814:30:00,17 ,       0,246.3163,30.89197,74.36839
sgpcmbeC1.c1,1999,0815:30:00,16 ,       0,290.4746,29.90522,74.74963
sgpcmbeC1.c1,1999,0816:30:00,15 ,       0,77.65131,9.992237,21.43334
sgpcmbeC1.c1,1999,0817:30:00,12 ,       0,247.5172,25.87242,70.35748
sgpcmbeC1.c1,1999,0818:30:00,24 ,       0,55.01773,4.726325,12.47926
sgpcmbeC1.c1,1999,0819:30:00,24 ,       0, 48.7844,4.182806,10.34591
sgpcmbeC1.c1,1999,0820:30:00,25 ,       0,150.5907,12.43698,32.52062
sgpcmbeC1.c1,1999,0821:30:00,25 ,       0,401.2796,36.57535,88.36711
sgpcmbeC1.c1,1999,0822:30:00,25 ,       0,981.7972,50.98747,195.3423
sgpcmbeC1.c1,1999,0823:30:00,24 ,       0,34.95467,3.728422,7.569135