datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,08 0:30:00,31 ,2.025088, 5.16797,3.920203,0.738118
sgpcmbeC1.c1,2002,08 1:30:00,31 ,1.880604, 5.17975,3.948042,0.714841
sgpcmbeC1.c1,2002,08 2:30:00,30 ,1.762229,5.379292,3.996112,0.727037
sgpcmbeC1.c1,2002,08 3:30:00,29 ,1.785856,5.419763, 3.99027,0.716917
sgpcmbeC1.c1,2002,08 4:30:00,30 ,1.818493, 5.35561,3.966147, 0.67179
sgpcmbeC1.c1,2002,08 5:30:00,30 , 1.81693,5.567472,3.980224,0.719331
sgpcmbeC1.c1,2002,08 6:30:00,28 ,1.806693,5.855446,3.919179,0.744248
sgpcmbeC1.c1,2002,08 7:30:00,28 ,1.742188,5.621442,3.896423,0.730879
sgpcmbeC1.c1,2002,08 8:30:00,27 ,1.710977,5.039948,3.809431,0.669987
sgpcmbeC1.c1,2002,08 9:30:00,30 ,1.701259,5.319364, 3.92204,0.724337
sgpcmbeC1.c1,2002,0810:30:00,30 ,1.806795,5.127392,3.898855,0.693503
sgpcmbeC1.c1,2002,0811:30:00,30 ,1.956271,5.196157,3.924402,0.703974
sgpcmbeC1.c1,2002,0812:30:00,31 ,1.919082,5.173028,3.986335,0.697783
sgpcmbeC1.c1,2002,0813:30:00,31 ,1.955227,5.679953,4.008083,0.708368
sgpcmbeC1.c1,2002,0814:30:00,31 ,2.047891,5.540303,4.008497,0.710647
sgpcmbeC1.c1,2002,0815:30:00,30 ,2.167813,5.033557,3.936786,0.623885
sgpcmbeC1.c1,2002,0816:30:00,31 ,2.188082,4.931274,3.969174, 0.64086
sgpcmbeC1.c1,2002,0817:30:00,31 ,2.377217,4.996315,3.987024,  0.6208
sgpcmbeC1.c1,2002,0818:30:00,31 ,2.477259,5.141463,3.967453,0.625988
sgpcmbeC1.c1,2002,0819:30:00,31 ,2.487898,5.202312,3.975189,0.655975
sgpcmbeC1.c1,2002,0820:30:00,31 ,2.458481,5.099351,3.961005, 0.68293
sgpcmbeC1.c1,2002,0821:30:00,31 , 2.25726,5.520688, 3.95729,0.775121
sgpcmbeC1.c1,2002,0822:30:00,31 ,2.161082,5.861281,3.906292,0.835717
sgpcmbeC1.c1,2002,0823:30:00,31 ,2.170043,5.499415,3.919934,0.816788