datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,11 0:30:00,27 ,       0,499.0984,26.21332,95.83583
sgpcmbeC1.c1,2006,11 1:30:00,27 ,       0,230.3372,15.50531,44.45117
sgpcmbeC1.c1,2006,11 2:30:00,27 ,       0,445.6919,27.44274,85.27245
sgpcmbeC1.c1,2006,11 3:30:00,27 ,       0,193.8864,20.51049,43.23437
sgpcmbeC1.c1,2006,11 4:30:00,27 ,       0,153.7146,14.62684,36.47378
sgpcmbeC1.c1,2006,11 5:30:00,27 ,       0,496.8671,28.15651,97.59902
sgpcmbeC1.c1,2006,11 6:30:00,27 ,       0,134.1407,12.95626,30.86487
sgpcmbeC1.c1,2006,11 7:30:00,27 ,       0,122.0273,12.35424,26.34937
sgpcmbeC1.c1,2006,11 8:30:00,28 ,       0,186.8287, 15.4115,38.94923
sgpcmbeC1.c1,2006,11 9:30:00,28 ,       0,159.7797,19.64475,42.86756
sgpcmbeC1.c1,2006,1110:30:00,28 ,       0,47.51424,8.682275,14.83551
sgpcmbeC1.c1,2006,1111:30:00,28 ,       0,158.3537,13.27119,34.44892
sgpcmbeC1.c1,2006,1112:30:00,28 ,       0,190.1836,11.22549,35.98401
sgpcmbeC1.c1,2006,1113:30:00,28 ,       0,223.1045,11.84483,41.99907
sgpcmbeC1.c1,2006,1114:30:00,28 ,       0,200.6562,13.54486, 40.2986
sgpcmbeC1.c1,2006,1115:30:00,28 ,       0,255.4133,14.59756,47.99625
sgpcmbeC1.c1,2006,1116:30:00,27 ,       0,155.6838,10.82595,29.65551
sgpcmbeC1.c1,2006,1117:30:00,27 ,       0,273.8778,17.91862,53.08144
sgpcmbeC1.c1,2006,1118:30:00,26 ,       0,186.0563,20.42534,44.02413
sgpcmbeC1.c1,2006,1119:30:00,26 ,       0,167.3418,22.39614,42.78808
sgpcmbeC1.c1,2006,1120:30:00,26 ,       0, 72.7636,12.63041,20.46045
sgpcmbeC1.c1,2006,1121:30:00,26 ,       0,98.41716,12.13562,21.42309
sgpcmbeC1.c1,2006,1122:30:00,26 ,       0,  261.97,22.73446,54.04283
sgpcmbeC1.c1,2006,1123:30:00,26 ,       0,318.3694,23.24465,63.49931