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 ,       0,8.433133, 1.79016, 1.83921
sgpcmbeC1.c1,2000,08 6:30:00,31 ,8.977713,104.3528,41.68618,18.41954
sgpcmbeC1.c1,2000,08 7:30:00,31 ,14.48851,181.2817,94.58479,33.80217
sgpcmbeC1.c1,2000,08 8:30:00,31 ,72.64549,308.5303,136.0924,49.64236
sgpcmbeC1.c1,2000,08 9:30:00,31 ,86.07002,409.9049,171.0615,80.65744
sgpcmbeC1.c1,2000,0810:30:00,31 ,97.40688,372.6509,183.9208,79.92239
sgpcmbeC1.c1,2000,0811:30:00,31 ,101.9399,467.7583,198.6133,96.45803
sgpcmbeC1.c1,2000,0812:30:00,31 ,103.7648,481.8595,201.6716,86.52498
sgpcmbeC1.c1,2000,0813:30:00,31 ,121.5515,412.8003,207.8889,77.65519
sgpcmbeC1.c1,2000,0814:30:00,31 ,119.5785,387.2206, 203.178,73.91287
sgpcmbeC1.c1,2000,0815:30:00,31 ,110.9048,316.1795,183.9184,60.00444
sgpcmbeC1.c1,2000,0816:30:00,31 ,77.28686,286.1651, 150.608,47.53365
sgpcmbeC1.c1,2000,0817:30:00,31 ,67.60414,174.1968,105.5445,23.25164
sgpcmbeC1.c1,2000,0818:30:00,31 ,32.64139,91.31114, 53.5357,15.70665
sgpcmbeC1.c1,2000,0819:30:00,30 ,       0,17.66211,5.734872,4.443828
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