datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,10 0:30:00,31 ,       0,273.8389,51.69589,79.87536
sgpcmbeC1.c1,2002,10 1:30:00,31 ,       0,454.2187,50.50034,  108.41
sgpcmbeC1.c1,2002,10 2:30:00,30 ,       0,408.4415,50.82128,90.99488
sgpcmbeC1.c1,2002,10 3:30:00,30 ,       0,350.4749,37.39583,69.28213
sgpcmbeC1.c1,2002,10 4:30:00,30 ,       0,288.7979,41.68944,72.75673
sgpcmbeC1.c1,2002,10 5:30:00,30 ,       0, 216.254,35.87509,50.19348
sgpcmbeC1.c1,2002,10 6:30:00,29 ,       0,270.5817,51.50262,70.17269
sgpcmbeC1.c1,2002,10 7:30:00,28 ,       0,462.3062, 73.4282,108.8148
sgpcmbeC1.c1,2002,10 8:30:00,28 ,       0,283.7511,39.10585,65.88344
sgpcmbeC1.c1,2002,10 9:30:00,28 ,       0, 276.225,50.14198,75.48325
sgpcmbeC1.c1,2002,1010:30:00,27 ,       0,233.4403,40.34798,59.96533
sgpcmbeC1.c1,2002,1011:30:00,28 ,       0,213.1516,42.26466,62.62919
sgpcmbeC1.c1,2002,1012:30:00,30 ,       0,362.3284,60.77435,90.71891
sgpcmbeC1.c1,2002,1013:30:00,31 ,       0, 248.804,43.85452,64.81273
sgpcmbeC1.c1,2002,1014:30:00,30 ,       0,168.1231,37.57074,54.21345
sgpcmbeC1.c1,2002,1015:30:00,30 ,       0,395.4738,49.10023,86.93674
sgpcmbeC1.c1,2002,1016:30:00,30 ,       0,257.5862,41.50188,67.94565
sgpcmbeC1.c1,2002,1017:30:00,30 ,       0,301.0374,34.90868,61.96674
sgpcmbeC1.c1,2002,1018:30:00,29 ,       0,166.6239,26.25848,42.65413
sgpcmbeC1.c1,2002,1019:30:00,31 ,0.043676,241.5256,41.32585,68.93181
sgpcmbeC1.c1,2002,1020:30:00,31 ,       0,325.8454,50.59667,89.57421
sgpcmbeC1.c1,2002,1021:30:00,31 ,       0,290.2474,57.32276,89.02226
sgpcmbeC1.c1,2002,1022:30:00,31 ,       0,378.1449,43.59976,83.84859
sgpcmbeC1.c1,2002,1023:30:00,31 ,0.018131, 330.757,45.79891,82.74008