datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,03 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,03 1:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,03 2:30:00,31 ,       0,0.034316,0.001107,0.006163
sgpcmbeC1.c1,2001,03 3:30:00,31 ,       0,0.004091,0.000132,0.000735
sgpcmbeC1.c1,2001,03 4:30:00,31 ,       0,0.001137,0.000037,0.000204
sgpcmbeC1.c1,2001,03 5:30:00,31 ,       0,0.000811,0.000026,0.000146
sgpcmbeC1.c1,2001,03 6:30:00,31 ,       0,8.681368,1.374929,1.855649
sgpcmbeC1.c1,2001,03 7:30:00,31 , 1.49993,15.86877,7.870571,4.350192
sgpcmbeC1.c1,2001,03 8:30:00,31 , 0.91258,23.05548,10.11135,5.486808
sgpcmbeC1.c1,2001,03 9:30:00,31 ,2.030926,29.23852,11.73083,7.120242
sgpcmbeC1.c1,2001,0310:30:00,31 ,3.824503,37.17837,13.44054,9.190524
sgpcmbeC1.c1,2001,0311:30:00,31 ,1.724558,42.96917,12.22591,9.578723
sgpcmbeC1.c1,2001,0312:30:00,31 ,0.645525, 53.3502,16.59129, 14.0843
sgpcmbeC1.c1,2001,0313:30:00,31 ,2.508903,39.87474,14.83139,12.32262
sgpcmbeC1.c1,2001,0314:30:00,31 ,1.915488, 59.6602,17.17683, 16.3011
sgpcmbeC1.c1,2001,0315:30:00,31 ,2.165616,52.05117,15.02873, 11.7884
sgpcmbeC1.c1,2001,0316:30:00,31 ,1.161508, 35.9639,13.56298,9.052456
sgpcmbeC1.c1,2001,0317:30:00,31 ,0.860037,28.97468,10.79861,7.103383
sgpcmbeC1.c1,2001,0318:30:00,31 ,       0,11.10756,3.544689,2.945527
sgpcmbeC1.c1,2001,0319:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,0320:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,0321:30:00,30 ,       0,0.007675,0.000256,0.001401
sgpcmbeC1.c1,2001,0322:30:00,31 ,       0,0.909476,0.029338,0.163347
sgpcmbeC1.c1,2001,0323:30:00,31 ,       0,0.171476,0.005531,0.030798