datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,12 0:30:00,26 ,0.483599,1.905582,0.957139,0.431093
sgpcmbeC1.c1,1997,12 1:30:00,26 ,0.446977,1.841516,0.949954,0.414186
sgpcmbeC1.c1,1997,12 2:30:00,26 ,0.413446,1.841124,0.949121,0.387765
sgpcmbeC1.c1,1997,12 3:30:00,26 ,0.420243,1.862796,0.961478, 0.38086
sgpcmbeC1.c1,1997,12 4:30:00,27 ,0.445849,3.646776,1.056594,0.632234
sgpcmbeC1.c1,1997,12 5:30:00,26 ,0.464168,4.175558,1.089477,0.741797
sgpcmbeC1.c1,1997,12 6:30:00,26 ,0.480206,3.722314,1.079164,0.679505
sgpcmbeC1.c1,1997,12 7:30:00,26 ,0.445082,2.598068,1.045861,  0.5262
sgpcmbeC1.c1,1997,12 8:30:00,26 ,0.424863,2.149384,1.018529,0.446166
sgpcmbeC1.c1,1997,12 9:30:00,26 ,0.445471, 2.41239,0.997596,0.428867
sgpcmbeC1.c1,1997,1210:30:00,26 ,0.458545,2.735018, 1.02726,0.524073
sgpcmbeC1.c1,1997,1211:30:00,24 ,0.410697,3.613343,1.020736,0.614735
sgpcmbeC1.c1,1997,1212:30:00,23 ,0.422186,2.760354, 1.01588,0.511341
sgpcmbeC1.c1,1997,1213:30:00,24 ,0.449448,1.712514,0.957081,0.340595
sgpcmbeC1.c1,1997,1214:30:00,21 ,0.489648,1.774617,0.960653,0.334041
sgpcmbeC1.c1,1997,1215:30:00,22 ,0.507391, 1.82891,0.967446,0.338721
sgpcmbeC1.c1,1997,1216:30:00,24 ,0.525161,2.348478,0.976744,0.420455
sgpcmbeC1.c1,1997,1217:30:00,25 ,0.523465,1.872773,0.945415, 0.32997
sgpcmbeC1.c1,1997,1218:30:00,27 ,0.465935,4.073513,1.051459,0.689428
sgpcmbeC1.c1,1997,1219:30:00,28 ,0.480069,2.407552,1.031689,0.494078
sgpcmbeC1.c1,1997,1220:30:00,27 ,0.457776,2.304777,0.973559, 0.42961
sgpcmbeC1.c1,1997,1221:30:00,27 ,0.457754,2.471785,0.986092,0.460985
sgpcmbeC1.c1,1997,1222:30:00,26 ,0.445188,1.849596, 0.93084,0.378291
sgpcmbeC1.c1,1997,1223:30:00,26 ,0.475891,1.840721,0.918605,0.383821