datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,08 0:30:00,28 ,2.307909,5.444445,3.905103,0.837833
sgpcmbeC1.c1,1998,08 1:30:00,28 ,2.218442,5.603304,3.887138,0.825103
sgpcmbeC1.c1,1998,08 2:30:00,28 ,2.366467,5.432262,3.860401,0.751546
sgpcmbeC1.c1,1998,08 3:30:00,27 ,2.584654,5.161321, 3.78245,0.640255
sgpcmbeC1.c1,1998,08 4:30:00,27 ,2.694649,5.247211,3.865035,0.651857
sgpcmbeC1.c1,1998,08 5:30:00,26 ,2.766527, 5.15602,3.855876,0.670375
sgpcmbeC1.c1,1998,08 6:30:00,26 ,2.882672,5.002013,3.835354,0.631248
sgpcmbeC1.c1,1998,08 7:30:00,26 ,2.862249,4.898938,3.804412,0.597355
sgpcmbeC1.c1,1998,08 8:30:00,27 ,2.916354,4.845479, 3.79264,0.531704
sgpcmbeC1.c1,1998,08 9:30:00,28 ,2.920084,4.778747, 3.81149,0.540564
sgpcmbeC1.c1,1998,0810:30:00,28 ,2.869795,4.597171,3.778905,0.525302
sgpcmbeC1.c1,1998,0811:30:00,28 ,2.678124,4.733778,3.792306,0.536377
sgpcmbeC1.c1,1998,0812:30:00,28 ,2.812275, 4.83173,3.854979, 0.57383
sgpcmbeC1.c1,1998,0813:30:00,27 ,2.937961,4.853149, 3.88475,0.598986
sgpcmbeC1.c1,1998,0814:30:00,27 , 2.76329,4.898787,3.909113,0.607265
sgpcmbeC1.c1,1998,0815:30:00,27 ,2.823694,5.139376,3.932373, 0.67161
sgpcmbeC1.c1,1998,0816:30:00,27 ,2.936567,5.383366,3.928616,0.693102
sgpcmbeC1.c1,1998,0817:30:00,25 ,3.004877,5.244822,3.901829,0.684891
sgpcmbeC1.c1,1998,0818:30:00,27 ,2.008944,5.023951,3.808009,0.731494
sgpcmbeC1.c1,1998,0819:30:00,28 ,2.012336,5.431489,3.848352,0.764022
sgpcmbeC1.c1,1998,0820:30:00,28 ,   1.989,5.261755,3.810987,0.779041
sgpcmbeC1.c1,1998,0821:30:00,28 ,2.102637,5.275866,3.828317,0.764163
sgpcmbeC1.c1,1998,0822:30:00,28 ,2.121102, 5.31189,3.851936,0.761222
sgpcmbeC1.c1,1998,0823:30:00,28 ,2.225752,  5.1948, 3.85248,0.786125