datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,10 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,10 1:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,10 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,10 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,10 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,10 5:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,10 6:30:00,31 ,       0,16.89087,5.647112,5.047337
sgpcmbeC1.c1,2001,10 7:30:00,31 ,17.78805,193.9926,101.5601,44.07183
sgpcmbeC1.c1,2001,10 8:30:00,31 ,61.40357,386.4999,282.2481,82.84608
sgpcmbeC1.c1,2001,10 9:30:00,31 ,74.76003, 572.953,443.6189,118.1323
sgpcmbeC1.c1,2001,1010:30:00,31 ,189.2745,713.3124,557.4725,147.5686
sgpcmbeC1.c1,2001,1011:30:00,31 ,339.6686,798.2341,635.3847,121.5935
sgpcmbeC1.c1,2001,1012:30:00,31 ,192.1749,820.4209,636.0854,165.4734
sgpcmbeC1.c1,2001,1013:30:00,31 ,105.8671,772.1438,610.8468,150.4412
sgpcmbeC1.c1,2001,1014:30:00,31 , 61.0585,664.1865,503.2101,139.0021
sgpcmbeC1.c1,2001,1015:30:00,31 , 49.4242,506.6584,369.5288,103.9324
sgpcmbeC1.c1,2001,1016:30:00,31 ,28.97982,  307.32,199.6762,69.09658
sgpcmbeC1.c1,2001,1017:30:00,31 ,9.138243,103.7786,44.48412,27.97738
sgpcmbeC1.c1,2001,1018:30:00,31 ,       0,4.806852,0.587795,1.077155
sgpcmbeC1.c1,2001,1019:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,1020:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,1021:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,1022:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,1023:30:00,31 ,       0,       0,       0,       0