datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,10 0:30:00,31 ,       0,0.050522, 0.00163,0.009074
sgpcmbeC1.c1,1997,10 1:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1997,10 2:30:00,31 ,       0,0.082985,0.002677,0.014905
sgpcmbeC1.c1,1997,10 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1997,10 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1997,10 5:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1997,10 6:30:00,31 ,       0,18.14508,4.398565,4.805384
sgpcmbeC1.c1,1997,10 7:30:00,31 ,8.132045,158.8909,76.71952,50.72793
sgpcmbeC1.c1,1997,10 8:30:00,31 ,17.87041,346.5822,210.0853,116.9359
sgpcmbeC1.c1,1997,10 9:30:00,31 , 19.6317,516.4824,334.4051,181.4787
sgpcmbeC1.c1,1997,1010:30:00,31 ,80.38894,670.3271,436.8918,222.4533
sgpcmbeC1.c1,1997,1011:30:00,31 ,63.38151,721.7429,464.9272,254.0281
sgpcmbeC1.c1,1997,1012:30:00,31 ,75.59835,740.3875,468.2516,273.5307
sgpcmbeC1.c1,1997,1013:30:00,31 ,32.81077,696.8592,469.1844,231.7077
sgpcmbeC1.c1,1997,1014:30:00,31 , 61.0519,611.1527,389.9596,196.7317
sgpcmbeC1.c1,1997,1015:30:00,31 ,37.54132,447.8404,279.0759,137.3115
sgpcmbeC1.c1,1997,1016:30:00,31 ,15.84322,267.5675,160.3142,80.23432
sgpcmbeC1.c1,1997,1017:30:00,31 ,2.443799,105.1732, 39.6229,27.84033
sgpcmbeC1.c1,1997,1018:30:00,31 ,       0, 7.15232,0.738831,1.433338
sgpcmbeC1.c1,1997,1019:30:00,31 ,       0,0.371065, 0.01197,0.066645
sgpcmbeC1.c1,1997,1020:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1997,1021:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1997,1022:30:00,31 ,       0,0.583361,0.018818,0.104775
sgpcmbeC1.c1,1997,1023:30:00,31 ,       0,0.292539,0.009437,0.052542