datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,02 0:30:00,28 ,0.234214,3.694975,1.105832,0.656312
sgpcmbeC1.c1,2007,02 1:30:00,28 ,0.238125,4.143934,1.104278, 0.71924
sgpcmbeC1.c1,2007,02 2:30:00,28 ,0.228746,3.527972,1.083163,0.638889
sgpcmbeC1.c1,2007,02 3:30:00,28 ,0.251703,4.866589,1.127142,0.857659
sgpcmbeC1.c1,2007,02 4:30:00,28 ,0.317995,2.790584,1.065042, 0.58867
sgpcmbeC1.c1,2007,02 5:30:00,28 ,0.317253,2.979938,1.032602,0.557023
sgpcmbeC1.c1,2007,02 6:30:00,28 ,0.309613,3.521965, 1.02089,0.623362
sgpcmbeC1.c1,2007,02 7:30:00,28 ,0.337171,2.589738,0.974453,0.503815
sgpcmbeC1.c1,2007,02 8:30:00,28 ,0.318052,2.418536,0.942761,0.464576
sgpcmbeC1.c1,2007,02 9:30:00,28 ,0.300035,2.345024,0.933123,0.443619
sgpcmbeC1.c1,2007,0210:30:00,28 ,0.308971,2.835765,0.952309,0.516006
sgpcmbeC1.c1,2007,0211:30:00,28 ,0.316631,2.890527,0.966266,0.534505
sgpcmbeC1.c1,2007,0212:30:00,28 ,0.300425,2.343122,0.963754,0.462261
sgpcmbeC1.c1,2007,0213:30:00,28 ,0.280795,2.548031,0.994364,0.487184
sgpcmbeC1.c1,2007,0214:30:00,28 ,0.333735,4.257957,1.087915,0.730734
sgpcmbeC1.c1,2007,0215:30:00,28 ,0.283409,3.049053,1.060527,0.551207
sgpcmbeC1.c1,2007,0216:30:00,28 ,0.246469,2.437574,1.069272,0.493526
sgpcmbeC1.c1,2007,0217:30:00,28 ,0.254325,2.716845,1.106128,0.553111
sgpcmbeC1.c1,2007,0218:30:00,28 ,0.284976,2.571297, 1.11717,0.542991
sgpcmbeC1.c1,2007,0219:30:00,28 ,0.268595,2.467446,1.099135,0.504002
sgpcmbeC1.c1,2007,0220:30:00,28 ,0.261606, 2.57972,1.095395, 0.50957
sgpcmbeC1.c1,2007,0221:30:00,28 ,0.239831,2.523152,1.088373,0.505127
sgpcmbeC1.c1,2007,0222:30:00,28 ,0.231596,2.436523,1.079778,0.483119
sgpcmbeC1.c1,2007,0223:30:00,28 ,0.231528, 2.70806,1.087313, 0.51709