datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,08 0:30:00,31 ,       0,0.138456,0.012885,0.033423
sgpcmbeC1.c1,2002,08 1:30:00,31 ,       0,0.604843, 0.04736, 0.12061
sgpcmbeC1.c1,2002,08 2:30:00,31 ,       0,1.452008,0.055389,0.263234
sgpcmbeC1.c1,2002,08 3:30:00,31 ,       0,0.558503,0.023139, 0.10086
sgpcmbeC1.c1,2002,08 4:30:00,31 ,       0,0.188806,0.014681,0.045807
sgpcmbeC1.c1,2002,08 5:30:00,31 ,       0,0.685802, 0.24117,0.139692
sgpcmbeC1.c1,2002,08 6:30:00,31 ,0.095554, 58.3466,  18.678,15.42771
sgpcmbeC1.c1,2002,08 7:30:00,31 ,0.006696,247.5455,101.1056,66.97604
sgpcmbeC1.c1,2002,08 8:30:00,31 ,0.010101, 452.017,212.1946,133.9192
sgpcmbeC1.c1,2002,08 9:30:00,31 ,0.002958,638.1028,315.3174,216.8568
sgpcmbeC1.c1,2002,0810:30:00,31 ,0.239975,781.7957,436.0434,246.7149
sgpcmbeC1.c1,2002,0811:30:00,31 ,0.578766,869.8073, 503.904,243.6845
sgpcmbeC1.c1,2002,0812:30:00,31 ,0.185249,906.6078,481.5064,284.6277
sgpcmbeC1.c1,2002,0813:30:00,31 ,0.359734,880.4777,521.8329,221.5579
sgpcmbeC1.c1,2002,0814:30:00,31 ,0.004993,790.7025,458.5119,185.3748
sgpcmbeC1.c1,2002,0815:30:00,31 ,0.024778, 649.551,388.7705,155.2833
sgpcmbeC1.c1,2002,0816:30:00,31 ,0.638298,472.3057,255.7857,118.8979
sgpcmbeC1.c1,2002,0817:30:00,31 ,0.001575,270.5958,129.1851,69.98184
sgpcmbeC1.c1,2002,0818:30:00,31 ,0.027065, 81.9734,29.43324,21.10311
sgpcmbeC1.c1,2002,0819:30:00,31 ,0.141205,3.302229,0.905976,0.837767
sgpcmbeC1.c1,2002,0820:30:00,31 ,       0,0.945384,0.082044,0.198147
sgpcmbeC1.c1,2002,0821:30:00,31 ,       0,1.116238,0.048489,0.201094
sgpcmbeC1.c1,2002,0822:30:00,31 ,       0,1.003704,0.063096,0.206373
sgpcmbeC1.c1,2002,0823:30:00,31 ,       0,0.256708,0.025293,0.068229