datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,11 0:30:00,19 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,11 1:30:00,22 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,11 2:30:00,21 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,11 3:30:00,21 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,11 4:30:00,23 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,11 5:30:00,20 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,11 6:30:00,25 ,       0,5.215332,0.577179,1.508411
sgpcmbeC1.c1,2005,11 7:30:00,30 ,2.318326,47.13483,14.82118, 8.57594
sgpcmbeC1.c1,2005,11 8:30:00,29 , 3.84782,47.84892,14.78791,12.71404
sgpcmbeC1.c1,2005,11 9:30:00,29 ,1.997571,63.73972,14.53132,16.80387
sgpcmbeC1.c1,2005,1110:30:00,30 ,1.072467,85.42989,23.42452,25.57054
sgpcmbeC1.c1,2005,1111:30:00,30 ,0.617993,109.7926,15.70328,26.94066
sgpcmbeC1.c1,2005,1112:30:00,30 ,0.337525,66.33331,18.07746,22.21404
sgpcmbeC1.c1,2005,1113:30:00,30 ,0.350435,66.79311, 17.5871, 20.8806
sgpcmbeC1.c1,2005,1114:30:00,30 ,0.814332,58.19343,14.88305,15.70105
sgpcmbeC1.c1,2005,1115:30:00,30 ,3.054913, 39.3818,11.10625,10.07516
sgpcmbeC1.c1,2005,1116:30:00,30 ,6.968366,34.02584,16.22411,8.401663
sgpcmbeC1.c1,2005,1117:30:00,30 ,1.017666,13.21583,5.189983,2.441369
sgpcmbeC1.c1,2005,1118:30:00,21 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,1119:30:00,20 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,1120:30:00,21 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,1121:30:00,23 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,1122:30:00,23 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,1123:30:00,22 ,       0,       0,       0,       0