datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,02 0:30:00,26 ,0.293956,5.491253,1.444568,1.163112
sgpcmbeC1.c1,1998,02 1:30:00,24 ,0.296259,4.366423, 1.30299,1.137264
sgpcmbeC1.c1,1998,02 2:30:00,24 ,0.253705,2.575335,1.088509,0.652128
sgpcmbeC1.c1,1998,02 3:30:00,24 ,   0.307,3.935616,1.251003,0.957757
sgpcmbeC1.c1,1998,02 4:30:00,24 ,0.383164,2.954808,1.151649,0.697335
sgpcmbeC1.c1,1998,02 5:30:00,24 ,0.307635,3.243943,1.232192,0.764083
sgpcmbeC1.c1,1998,02 6:30:00,24 ,0.358153,6.853112,1.206025,1.346806
sgpcmbeC1.c1,1998,02 7:30:00,23 ,0.233394,6.877716,1.746801,1.544989
sgpcmbeC1.c1,1998,02 8:30:00,22 , 0.65517, 8.94336,3.406663, 2.27061
sgpcmbeC1.c1,1998,02 9:30:00,22 ,0.766094,9.173496,3.835945,2.631738
sgpcmbeC1.c1,1998,0210:30:00,22 ,0.725954, 9.65638,4.564774,2.513991
sgpcmbeC1.c1,1998,0211:30:00,23 , 1.11995,12.86201,4.687618,2.740988
sgpcmbeC1.c1,1998,0212:30:00,23 ,1.019839, 8.26622, 3.38867,  1.8578
sgpcmbeC1.c1,1998,0213:30:00,22 ,0.640743,9.924816,3.934223,2.779375
sgpcmbeC1.c1,1998,0214:30:00,22 ,0.949355,8.833383,3.584375, 2.10213
sgpcmbeC1.c1,1998,0215:30:00,23 ,0.583278,10.42071,4.221558,2.825043
sgpcmbeC1.c1,1998,0216:30:00,23 ,0.916478,10.26345,3.521213,2.165533
sgpcmbeC1.c1,1998,0217:30:00,22 ,0.605962,13.73059,5.082972, 3.31032
sgpcmbeC1.c1,1998,0218:30:00,23 ,0.261992,8.823901,3.218433,2.246244
sgpcmbeC1.c1,1998,0219:30:00,25 ,0.236656,7.998466,2.063863,1.814053
sgpcmbeC1.c1,1998,0220:30:00,25 ,0.292911,8.825811,1.954777, 1.96369
sgpcmbeC1.c1,1998,0221:30:00,25 ,0.376983, 4.65287,1.984682,1.343939
sgpcmbeC1.c1,1998,0222:30:00,25 ,0.339823,5.319555,1.894114,1.307454
sgpcmbeC1.c1,1998,0223:30:00,25 ,0.573485,6.840845,1.711943,1.452436