datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,08 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,08 1:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,08 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,08 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,08 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,08 5:30:00,31 ,       0,0.377078,0.078465,0.118123
sgpcmbeC1.c1,2000,08 6:30:00,31 ,0.013576,53.36385,24.36098,15.65793
sgpcmbeC1.c1,2000,08 7:30:00,31 ,0.050825,208.7691,126.5138,66.02601
sgpcmbeC1.c1,2000,08 8:30:00,31 ,0.758057,401.4415,273.3795,110.9902
sgpcmbeC1.c1,2000,08 9:30:00,31 ,1.446091,569.7897,435.8111,144.1155
sgpcmbeC1.c1,2000,0810:30:00,31 ,18.31165,705.9539,555.8161,170.2643
sgpcmbeC1.c1,2000,0811:30:00,31 ,49.02206,795.1263,638.9825,169.9036
sgpcmbeC1.c1,2000,0812:30:00,31 ,100.8583,830.2768,657.5784, 189.144
sgpcmbeC1.c1,2000,0813:30:00,31 ,2.568695,782.9921,627.9159,178.1796
sgpcmbeC1.c1,2000,0814:30:00,31 ,47.43744,711.3954, 548.595,174.1273
sgpcmbeC1.c1,2000,0815:30:00,31 ,32.97238,573.3804,433.7041,134.7509
sgpcmbeC1.c1,2000,0816:30:00,31 ,1.084991,417.6988,293.0382, 95.8632
sgpcmbeC1.c1,2000,0817:30:00,31 ,9.064957,235.6653,143.4999,65.73047
sgpcmbeC1.c1,2000,0818:30:00,31 ,2.587631,71.93078,35.37915,18.09397
sgpcmbeC1.c1,2000,0819:30:00,30 ,       0, 2.39772,0.583251,0.757055
sgpcmbeC1.c1,2000,0820:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0821:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0822:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0823:30:00,31 ,       0,       0,       0,       0