datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,05 0:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,05 1:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,05 2:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,05 3:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,05 4:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,05 5:30:00,29 ,       0,19.73932,9.430526,5.050698
sgpcmbeC1.c1,1999,05 6:30:00,29 ,0.953894,43.03367,14.43438,10.39232
sgpcmbeC1.c1,1999,05 7:30:00,29 ,3.152403,55.96097,23.78765,16.74464
sgpcmbeC1.c1,1999,05 8:30:00,29 ,1.456163,76.08081,25.88372,20.90973
sgpcmbeC1.c1,1999,05 9:30:00,29 ,1.075108,97.49339,37.32093,30.85431
sgpcmbeC1.c1,1999,0510:30:00,29 ,0.421659,126.8677,38.44969,34.90802
sgpcmbeC1.c1,1999,0511:30:00,29 ,0.395284,83.38535,37.21943,27.64231
sgpcmbeC1.c1,1999,0512:30:00,29 ,0.602521,114.8304,37.70097,31.75233
sgpcmbeC1.c1,1999,0513:30:00,29 , 0.63097,90.93645,34.35883,28.06033
sgpcmbeC1.c1,1999,0514:30:00,29 ,0.608155,125.3004,36.72212,32.81607
sgpcmbeC1.c1,1999,0515:30:00,29 ,0.446737,78.71122,34.16275,25.04284
sgpcmbeC1.c1,1999,0516:30:00,29 ,2.310387,91.68124,29.83525,24.20356
sgpcmbeC1.c1,1999,0517:30:00,29 ,3.799307,56.50317,23.23195,18.39712
sgpcmbeC1.c1,1999,0518:30:00,29 ,7.087131,33.51808,18.91561, 9.01024
sgpcmbeC1.c1,1999,0519:30:00,29 ,       0,17.48601,8.755705,3.958478
sgpcmbeC1.c1,1999,0520:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0521:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0522:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0523:30:00,28 ,       0,       0,       0,       0