datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,10 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,10 1:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,10 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,10 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,10 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,10 5:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,10 6:30:00,31 ,       0, 9.22779,3.989605,2.906727
sgpcmbeC1.c1,2007,10 7:30:00,31 , 1.92115,88.85484, 43.0983,19.75872
sgpcmbeC1.c1,2007,10 8:30:00,31 ,9.011859,226.8843,85.12547,48.97268
sgpcmbeC1.c1,2007,10 9:30:00,31 ,6.412197,247.2486,105.1783,63.49234
sgpcmbeC1.c1,2007,1010:30:00,31 , 8.03021,320.1035,124.0659,80.72252
sgpcmbeC1.c1,2007,1011:30:00,31 ,11.01175,360.1465, 131.666,95.32778
sgpcmbeC1.c1,2007,1012:30:00,31 ,58.09278,372.4301,137.1696,91.43757
sgpcmbeC1.c1,2007,1013:30:00,31 ,57.41409,361.0993,145.6655, 96.9861
sgpcmbeC1.c1,2007,1014:30:00,31 ,53.30465,336.7802,131.7329,79.14776
sgpcmbeC1.c1,2007,1015:30:00,31 ,47.84557,191.9234,99.12756,44.53297
sgpcmbeC1.c1,2007,1016:30:00,31 ,37.01146,124.8334,69.56165,26.20245
sgpcmbeC1.c1,2007,1017:30:00,31 ,       0,60.50226,22.22956,12.55347
sgpcmbeC1.c1,2007,1018:30:00,31 ,       0,2.031941,0.236117, 0.50361
sgpcmbeC1.c1,2007,1019:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,1020:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,1021:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,1022:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,1023:30:00,31 ,       0,       0,       0,       0