datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,08 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,08 1:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,08 2:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,08 3:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,08 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,08 5:30:00,31 ,       0,7.468789,1.444589,1.811839
sgpcmbeC1.c1,2007,08 6:30:00,31 ,2.010854,108.0626,62.18561,28.89997
sgpcmbeC1.c1,2007,08 7:30:00,31 ,18.64574,292.1017,220.7025,73.66508
sgpcmbeC1.c1,2007,08 8:30:00,31 , 95.0005,493.2241,410.1751,105.7489
sgpcmbeC1.c1,2007,08 9:30:00,31 , 192.219,664.7618,560.6043,127.7994
sgpcmbeC1.c1,2007,0810:30:00,31 ,382.2232,803.4687,686.3178,145.6042
sgpcmbeC1.c1,2007,0811:30:00,31 ,132.3987,909.3856,770.0462,187.9062
sgpcmbeC1.c1,2007,0812:30:00,31 ,81.66459,937.6041,777.5403,188.6238
sgpcmbeC1.c1,2007,0813:30:00,31 ,222.0556,918.0595,755.0389,179.6001
sgpcmbeC1.c1,2007,0814:30:00,31 ,62.59881,836.9628,701.8977,195.5871
sgpcmbeC1.c1,2007,0815:30:00,31 ,45.90849,690.0858,573.0254,139.6104
sgpcmbeC1.c1,2007,0816:30:00,31 ,46.70104,520.7162,404.2145,114.9746
sgpcmbeC1.c1,2007,0817:30:00,31 ,44.07162,319.3379, 247.466,62.04938
sgpcmbeC1.c1,2007,0818:30:00,31 ,20.77565,130.6279,80.02786,32.16526
sgpcmbeC1.c1,2007,0819:30:00,31 ,       0,13.17844, 3.96656,4.000694
sgpcmbeC1.c1,2007,0820:30:00,26 ,       0,0.999505,0.038442,0.196019
sgpcmbeC1.c1,2007,0821:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,0822:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,0823:30:00,31 ,       0,       0,       0,       0