datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,01 0:30:00,31 ,0.224489,26.51099,4.678861,7.558416
sgpcmbeC1.c1,2001,01 1:30:00,31 ,0.255906,15.36674,2.495826,3.565773
sgpcmbeC1.c1,2001,01 2:30:00,31 ,0.194134,24.89777,2.845659,4.999083
sgpcmbeC1.c1,2001,01 3:30:00,31 ,0.289464,10.14359,2.064255,2.793952
sgpcmbeC1.c1,2001,01 4:30:00,31 ,0.215197,8.924109,1.876988,2.244378
sgpcmbeC1.c1,2001,01 5:30:00,31 ,0.249673,22.93094,3.237338,5.219498
sgpcmbeC1.c1,2001,01 6:30:00,31 ,0.217627,25.58949, 2.91184,4.722279
sgpcmbeC1.c1,2001,01 7:30:00,31 ,0.249572,25.29076,2.696181,4.782551
sgpcmbeC1.c1,2001,01 8:30:00,31 ,0.254154,20.25107,2.769523,4.037919
sgpcmbeC1.c1,2001,01 9:30:00,31 ,0.267457,10.70939,2.227528,2.674924
sgpcmbeC1.c1,2001,0110:30:00,31 ,0.338918,12.62061,2.901439,3.181621
sgpcmbeC1.c1,2001,0111:30:00,31 ,0.216421,21.61289, 3.55358,4.295441
sgpcmbeC1.c1,2001,0112:30:00,31 ,0.230151,17.08555,2.710583, 3.28696
sgpcmbeC1.c1,2001,0113:30:00,31 ,0.210216,27.20517,3.189921,4.959962
sgpcmbeC1.c1,2001,0114:30:00,31 ,0.468681,27.41441,4.575869,6.425435
sgpcmbeC1.c1,2001,0115:30:00,31 , 0.34698,29.87387,3.459497,6.162843
sgpcmbeC1.c1,2001,0116:30:00,31 ,0.259725, 23.1539,2.841141,4.735843
sgpcmbeC1.c1,2001,0117:30:00,31 ,0.331207,10.37937,2.312124,2.868419
sgpcmbeC1.c1,2001,0118:30:00,31 ,0.266222,32.74866, 4.00741,7.213424
sgpcmbeC1.c1,2001,0119:30:00,31 ,0.199867,10.94962,2.333709,2.711925
sgpcmbeC1.c1,2001,0120:30:00,31 ,0.312091,22.19861, 3.07692,5.499129
sgpcmbeC1.c1,2001,0121:30:00,31 ,0.193588,16.79166,2.556575,3.564751
sgpcmbeC1.c1,2001,0122:30:00,31 , 0.18007, 18.8369,2.751198,3.798944
sgpcmbeC1.c1,2001,0123:30:00,31 ,0.278923,23.49802,3.575404,4.942756