datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,04 0:30:00,28 ,       0, 637.612,88.44953,179.1811
sgpcmbeC1.c1,2002,04 1:30:00,28 ,       0,530.3165,93.47027,171.7002
sgpcmbeC1.c1,2002,04 2:30:00,28 ,       0,1148.951,130.6941,268.8424
sgpcmbeC1.c1,2002,04 3:30:00,28 ,       0,778.3279,  131.71,228.9955
sgpcmbeC1.c1,2002,04 4:30:00,26 ,       0,1129.997,101.9601, 259.472
sgpcmbeC1.c1,2002,04 5:30:00,27 ,       0,700.8027,99.11861,193.0289
sgpcmbeC1.c1,2002,04 6:30:00,25 ,       0,592.9598,91.29885,174.6051
sgpcmbeC1.c1,2002,04 7:30:00,27 ,       0,576.5739,93.81304,145.6491
sgpcmbeC1.c1,2002,04 8:30:00,27 ,       0,437.2629,91.13764,134.9557
sgpcmbeC1.c1,2002,04 9:30:00,27 ,       0,487.9027,121.7491, 168.186
sgpcmbeC1.c1,2002,0410:30:00,26 ,       0,735.8968,111.0765,184.7162
sgpcmbeC1.c1,2002,0411:30:00,27 ,       0,486.5269,76.68123,136.1365
sgpcmbeC1.c1,2002,0412:30:00,27 ,       0, 759.707,95.30341,184.4714
sgpcmbeC1.c1,2002,0413:30:00,26 ,0.010058,545.0168,86.63471,147.4438
sgpcmbeC1.c1,2002,0414:30:00,26 ,0.008011,464.1941,74.90163,134.5153
sgpcmbeC1.c1,2002,0415:30:00,26 ,0.005307,370.6078,64.08176,108.0079
sgpcmbeC1.c1,2002,0416:30:00,26 ,0.027174,671.0673,83.55743,157.5081
sgpcmbeC1.c1,2002,0417:30:00,26 ,0.022092,701.6447,91.50151,166.9439
sgpcmbeC1.c1,2002,0418:00:00,17 ,0.670935,406.5053,90.40004,100.8481
sgpcmbeC1.c1,2002,0418:30:00,28 , 0.16754,993.9614,104.8366,227.6554
sgpcmbeC1.c1,2002,0419:30:00,28 , 0.00583,1327.751,104.5916,264.6288
sgpcmbeC1.c1,2002,0420:30:00,27 ,0.083364,741.5681,76.06124,166.3832
sgpcmbeC1.c1,2002,0421:30:00,27 , 0.10768,919.0751,61.92457,179.2544
sgpcmbeC1.c1,2002,0422:30:00,27 ,0.030882,1212.283,93.91578, 254.376
sgpcmbeC1.c1,2002,0423:30:00,28 ,       0,940.6425,91.86428,207.3583