datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,04 0:30:00,29 ,0.046908,2003.498,132.4259,386.7938
sgpcmbeC1.c1,2007,04 1:30:00,29 ,0.017396, 1533.89,111.1118,295.8176
sgpcmbeC1.c1,2007,04 2:30:00,29 ,0.001586,1014.307,88.14502,209.4275
sgpcmbeC1.c1,2007,04 3:30:00,29 ,       0, 495.683,66.44399,134.5569
sgpcmbeC1.c1,2007,04 4:30:00,29 ,       0,  420.93,49.24376,102.4516
sgpcmbeC1.c1,2007,04 5:30:00,29 , 0.00755,2074.836,121.3272,390.9262
sgpcmbeC1.c1,2007,04 6:30:00,29 ,       0,4879.542,216.5277,901.2119
sgpcmbeC1.c1,2007,04 7:30:00,29 ,       0,998.4071, 76.9801,193.3766
sgpcmbeC1.c1,2007,04 8:30:00,30 ,       0,2561.418,126.7605,465.6674
sgpcmbeC1.c1,2007,04 9:30:00,30 ,       0,4324.888,190.0277,784.4816
sgpcmbeC1.c1,2007,0410:30:00,30 ,       0,3598.657, 164.121,652.4464
sgpcmbeC1.c1,2007,0411:30:00,30 ,0.000547,3495.493,203.2972, 682.792
sgpcmbeC1.c1,2007,0412:30:00,30 ,0.007598,2314.315,212.1547,565.0427
sgpcmbeC1.c1,2007,0413:30:00,30 ,       0, 2932.01,156.1067,536.1487
sgpcmbeC1.c1,2007,0414:30:00,30 ,0.010932,3282.374,201.7976,625.7104
sgpcmbeC1.c1,2007,0415:30:00,30 ,       0, 3623.08,273.0779, 804.705
sgpcmbeC1.c1,2007,0416:30:00,30 ,       0,3885.425,268.3156,874.6362
sgpcmbeC1.c1,2007,0417:30:00,30 ,       0,3725.112, 264.059, 849.873
sgpcmbeC1.c1,2007,0418:30:00,29 ,0.016645,2433.604,204.9122,578.8924
sgpcmbeC1.c1,2007,0419:30:00,29 ,0.128586,848.8867,84.11969,213.4914
sgpcmbeC1.c1,2007,0420:30:00,29 ,       0,1357.524,89.74393,265.7923
sgpcmbeC1.c1,2007,0421:30:00,29 ,       0,752.5229,78.76846,179.5777
sgpcmbeC1.c1,2007,0422:30:00,29 ,       0,1372.353,84.52159,259.6777
sgpcmbeC1.c1,2007,0423:30:00,29 ,0.046699,1287.078,114.1258,274.3551