datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,09 0:30:00,28 ,       0, 235.574,42.21577,71.02085
sgpcmbeC1.c1,2003,09 1:30:00,28 ,       0,320.2747,38.35959,71.73387
sgpcmbeC1.c1,2003,09 2:30:00,28 ,       0,236.0998,35.40308,59.37656
sgpcmbeC1.c1,2003,09 3:30:00,29 ,       0,2250.139,138.9123,426.3772
sgpcmbeC1.c1,2003,09 4:30:00,29 ,       0,1817.522,128.7819,  348.63
sgpcmbeC1.c1,2003,09 5:30:00,27 ,       0,947.5018, 72.1601,190.4276
sgpcmbeC1.c1,2003,09 6:30:00,29 ,       0,1910.786,128.3492,373.6588
sgpcmbeC1.c1,2003,09 7:30:00,28 ,       0, 898.908,74.11819,181.0138
sgpcmbeC1.c1,2003,09 8:30:00,27 ,       0,1254.862,135.5522,311.8825
sgpcmbeC1.c1,2003,09 9:30:00,28 ,       0,1331.987,138.9483,319.5168
sgpcmbeC1.c1,2003,0910:30:00,29 ,       0,1582.494,212.5991,460.4297
sgpcmbeC1.c1,2003,0911:30:00,29 ,       0,2085.615,224.8206,535.0013
sgpcmbeC1.c1,2003,0912:30:00,28 ,       0,1008.274,117.5195,272.5217
sgpcmbeC1.c1,2003,0913:30:00,28 ,       0,1511.597,136.3879,348.6154
sgpcmbeC1.c1,2003,0914:30:00,29 ,       0,1452.923,118.7983,312.1822
sgpcmbeC1.c1,2003,0915:30:00,28 ,       0,718.2748,55.75468,142.2179
sgpcmbeC1.c1,2003,0916:30:00,30 ,       0,1898.556,138.5451, 402.732
sgpcmbeC1.c1,2003,0917:30:00,30 ,       0,1354.886,86.67076,258.6546
sgpcmbeC1.c1,2003,0918:30:00,29 ,       0,846.6349,58.92196,164.4145
sgpcmbeC1.c1,2003,0919:30:00,29 ,       0,445.9094,34.27116,90.88986
sgpcmbeC1.c1,2003,0920:30:00,29 ,       0,343.5858,32.50998,73.16202
sgpcmbeC1.c1,2003,0921:30:00,29 ,       0,643.0269,50.02767,128.5692
sgpcmbeC1.c1,2003,0922:30:00,28 ,       0,465.3574,45.86632,105.4064
sgpcmbeC1.c1,2003,0923:30:00,28 ,       0,237.8715,38.85127, 65.1834