datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,10 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2004,10 1:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2004,10 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2004,10 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2004,10 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2004,10 5:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2004,10 6:30:00,31 ,       0,7.593696,1.187707,1.644533
sgpcmbeC1.c1,2004,10 7:30:00,31 ,       0,52.40062,18.04982,14.45646
sgpcmbeC1.c1,2004,10 8:30:00,31 ,3.178849,100.7202,41.31563,30.19299
sgpcmbeC1.c1,2004,10 9:30:00,31 ,3.836572,135.8028, 63.0537,40.51097
sgpcmbeC1.c1,2004,1010:30:00,31 ,3.913345,158.3372,83.52645,49.74748
sgpcmbeC1.c1,2004,1011:30:00,31 ,2.230542,170.4093,84.74969,52.30548
sgpcmbeC1.c1,2004,1012:30:00,31 ,9.745647,171.1632,82.23659, 50.5821
sgpcmbeC1.c1,2004,1013:30:00,31 ,8.143561,161.2103,76.37788,45.50005
sgpcmbeC1.c1,2004,1014:30:00,31 , 6.92006,148.4987,75.14586,42.44149
sgpcmbeC1.c1,2004,1015:30:00,31 ,5.804374,112.4829,58.21825,32.78609
sgpcmbeC1.c1,2004,1016:30:00,31 ,2.800827,73.61333,32.00915, 20.8478
sgpcmbeC1.c1,2004,1017:30:00,31 ,0.080104,26.93083, 10.0407,7.812685
sgpcmbeC1.c1,2004,1018:30:00,31 ,       0, 0.47896,0.030603,0.103255
sgpcmbeC1.c1,2004,1019:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2004,1020:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2004,1021:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2004,1022:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2004,1023:30:00,31 ,       0,0.006208,  0.0002,0.001115