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 ,       0,17.94721,5.509115,4.648791
sgpcmbeC1.c1,2007,10 7:30:00,31 ,1.934779,167.7119,103.0043,41.86939
sgpcmbeC1.c1,2007,10 8:30:00,31 ,9.116845,371.6705,263.4682,91.27971
sgpcmbeC1.c1,2007,10 9:30:00,31 ,6.440436,555.8807,423.6688,133.1933
sgpcmbeC1.c1,2007,1010:30:00,31 ,8.043517,694.3259,547.7079,163.8071
sgpcmbeC1.c1,2007,1011:30:00,31 ,11.15851,777.6636,598.4196,204.9845
sgpcmbeC1.c1,2007,1012:30:00,31 ,59.49724,800.2664,600.0544,214.7442
sgpcmbeC1.c1,2007,1013:30:00,31 , 99.9927,  758.28, 574.881,175.6307
sgpcmbeC1.c1,2007,1014:30:00,31 ,151.6838,  651.34,498.0834,128.2638
sgpcmbeC1.c1,2007,1015:30:00,31 ,49.44411,497.2122, 336.243,112.2516
sgpcmbeC1.c1,2007,1016:30:00,31 ,52.69897,298.4764, 185.335,62.13709
sgpcmbeC1.c1,2007,1017:30:00,31 ,       0,98.15657,44.05799, 27.4547
sgpcmbeC1.c1,2007,1018:30:00,31 ,       0,2.158201,0.347453,0.605724
sgpcmbeC1.c1,2007,1019:30:00,31 ,       0,0.686969, 0.02216,0.123383
sgpcmbeC1.c1,2007,1020:30:00,31 ,       0,0.102813,0.003317,0.018466
sgpcmbeC1.c1,2007,1021:30:00,31 ,       0, 0.05049,0.001629,0.009068
sgpcmbeC1.c1,2007,1022:30:00,31 ,       0,0.258284,0.010128,0.047128
sgpcmbeC1.c1,2007,1023:30:00,31 ,       0,       0,       0,       0