datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,01 0:30:00,16 ,       0,0.294313,0.031098,0.080877
sgpcmbeC1.c1,2002,01 1:30:00,18 ,       0,2.714612,0.182426,0.637529
sgpcmbeC1.c1,2002,01 2:30:00,12 ,       0,0.430223,0.037827, 0.12376
sgpcmbeC1.c1,2002,01 3:30:00,16 ,       0,0.457613,0.028913,0.114327
sgpcmbeC1.c1,2002,01 4:30:00,19 ,       0,2.890739,0.213242,0.672854
sgpcmbeC1.c1,2002,01 5:30:00,20 ,       0,0.173121,0.010219,0.038973
sgpcmbeC1.c1,2002,01 6:30:00,28 ,       0, 0.22522, 0.01542,0.051814
sgpcmbeC1.c1,2002,01 7:30:00,29 ,0.265081,3.996217,1.223894,1.081995
sgpcmbeC1.c1,2002,01 8:30:00,29 ,0.101078,105.5932,45.68943, 37.6389
sgpcmbeC1.c1,2002,01 9:30:00,29 , 0.05986,279.9573,131.7545,105.7024
sgpcmbeC1.c1,2002,0110:30:00,29 ,0.409111,426.9321,211.5342,155.8161
sgpcmbeC1.c1,2002,0111:30:00,28 ,0.602463,537.0054,277.9419,183.8066
sgpcmbeC1.c1,2002,0112:30:00,29 ,0.511948,581.9451,308.3275,203.5689
sgpcmbeC1.c1,2002,0113:30:00,29 ,0.941433,559.7405,330.4558, 196.165
sgpcmbeC1.c1,2002,0114:30:00,29 ,0.314049,472.9844,263.2675,174.7877
sgpcmbeC1.c1,2002,0115:30:00,29 , 0.23962,340.5278,181.3409, 119.875
sgpcmbeC1.c1,2002,0116:30:00,29 ,0.062035,172.5169,75.02901,60.90666
sgpcmbeC1.c1,2002,0117:30:00,29 ,0.277392,27.29773,7.769592,8.264439
sgpcmbeC1.c1,2002,0118:30:00,29 ,       0, 1.40853,0.408395, 0.48034
sgpcmbeC1.c1,2002,0119:30:00,26 ,       0,0.602101,0.082395,0.172039
sgpcmbeC1.c1,2002,0120:30:00,20 ,       0,0.374451,0.026045,0.088099
sgpcmbeC1.c1,2002,0121:30:00,21 ,       0,0.206214, 0.01012,0.044942
sgpcmbeC1.c1,2002,0122:30:00,17 ,       0,0.592242,0.044238,0.142817
sgpcmbeC1.c1,2002,0123:30:00,17 ,       0, 0.24856,0.029399,0.070091