datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,03 0:30:00,31 ,0.262222,9.292078,1.868621,1.720745
sgpcmbeC1.c1,2005,03 1:30:00,31 ,0.325348,4.708108, 1.92559,1.220937
sgpcmbeC1.c1,2005,03 2:30:00,31 , 0.23855,4.667225,1.663886,1.238843
sgpcmbeC1.c1,2005,03 3:30:00,31 ,0.188128,6.540773,1.851325,1.503177
sgpcmbeC1.c1,2005,03 4:30:00,31 ,0.202484,4.791424,1.627861, 1.18966
sgpcmbeC1.c1,2005,03 5:30:00,31 ,0.243848,4.393794,1.458099,1.013839
sgpcmbeC1.c1,2005,03 6:30:00,31 ,0.391573,4.366344,1.732982, 1.21421
sgpcmbeC1.c1,2005,03 7:30:00,31 ,0.311327,10.75104,4.536045,2.922387
sgpcmbeC1.c1,2005,03 8:30:00,31 ,0.514665,12.25117,5.964972,3.456694
sgpcmbeC1.c1,2005,03 9:30:00,31 ,1.097125,15.53176,6.462144,3.410368
sgpcmbeC1.c1,2005,0310:30:00,31 ,0.515613,12.61575,5.877239, 2.71345
sgpcmbeC1.c1,2005,0311:30:00,31 ,1.700045,16.33244,5.764325,3.208402
sgpcmbeC1.c1,2005,0312:30:00,31 ,0.714757,11.01167,5.050186,2.439533
sgpcmbeC1.c1,2005,0313:30:00,31 ,0.716269,21.40008,5.919884,4.660357
sgpcmbeC1.c1,2005,0314:30:00,31 ,0.973232,22.33372,5.795667,4.694719
sgpcmbeC1.c1,2005,0315:30:00,31 ,0.499136,11.35629, 5.14428,2.603752
sgpcmbeC1.c1,2005,0316:30:00,31 ,0.519619,10.01255,5.272034, 2.49252
sgpcmbeC1.c1,2005,0317:30:00,31 ,0.497556,11.69863, 5.39976,3.381946
sgpcmbeC1.c1,2005,0318:30:00,31 ,0.860719,12.52321,4.993468,3.273161
sgpcmbeC1.c1,2005,0319:30:00,31 ,0.505458, 7.96968, 2.27074,1.694061
sgpcmbeC1.c1,2005,0320:30:00,31 ,0.282047,6.366323,1.761982,1.238501
sgpcmbeC1.c1,2005,0321:30:00,31 ,0.325526,7.287405,1.801077,1.336271
sgpcmbeC1.c1,2005,0322:30:00,31 ,0.246302,5.239149,1.960323,1.354851
sgpcmbeC1.c1,2005,0323:30:00,31 ,0.431538,5.367465,1.683662,1.189766