datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,05 0:30:00,31 ,       0,0.414041,0.013356,0.074364
sgpcmbeC1.c1,2001,05 1:30:00,30 ,       0,0.794099, 0.02647,0.144982
sgpcmbeC1.c1,2001,05 2:30:00,31 ,       0,0.619405,0.019981,0.111248
sgpcmbeC1.c1,2001,05 3:30:00,31 ,       0, 1.09491, 0.03532,0.196652
sgpcmbeC1.c1,2001,05 4:30:00,30 ,       0,1.879713,0.062657,0.343187
sgpcmbeC1.c1,2001,05 5:30:00,31 ,       0,26.97352,12.69323,8.072069
sgpcmbeC1.c1,2001,05 6:30:00,31 ,       0,63.44431,39.90021,19.33224
sgpcmbeC1.c1,2001,05 7:30:00,31 ,1.617443, 129.613,61.63068,26.24143
sgpcmbeC1.c1,2001,05 8:30:00,31 ,30.56321,180.8433,74.87518,36.67447
sgpcmbeC1.c1,2001,05 9:30:00,31 ,16.14024,235.6607,79.48343,49.72412
sgpcmbeC1.c1,2001,0510:30:00,31 ,29.44076,286.2557,99.84962,75.39098
sgpcmbeC1.c1,2001,0511:30:00,31 ,11.71092,302.4153,111.2466,102.4126
sgpcmbeC1.c1,2001,0512:30:00,31 ,3.264131,331.9559,115.2019,104.5241
sgpcmbeC1.c1,2001,0513:30:00,31 ,17.00369,326.4592, 137.689,110.5477
sgpcmbeC1.c1,2001,0514:30:00,31 ,27.63765,304.4362,144.4318,93.78557
sgpcmbeC1.c1,2001,0515:30:00,31 ,3.906655,318.5972,135.9762,86.26025
sgpcmbeC1.c1,2001,0516:30:00,31 , 2.73429,207.7485,95.82525, 55.5172
sgpcmbeC1.c1,2001,0517:30:00,31 , 1.32314,134.4307,61.42183,28.84862
sgpcmbeC1.c1,2001,0518:30:00,31 ,2.210254,76.67053,46.44124,17.70973
sgpcmbeC1.c1,2001,0519:30:00,31 ,       0,23.90291,9.296438,6.620039
sgpcmbeC1.c1,2001,0520:30:00,30 ,       0,0.684967,0.031572,0.132355
sgpcmbeC1.c1,2001,0521:30:00,30 ,       0,1.528103,0.099975, 0.35111
sgpcmbeC1.c1,2001,0522:30:00,31 ,       0,0.356904,0.019187,0.075841
sgpcmbeC1.c1,2001,0523:30:00,31 ,       0,1.364997,0.061074,0.259916