datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,01 0:30:00,20 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,01 1:30:00,21 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,01 2:30:00,22 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,01 3:30:00,22 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,01 4:30:00,23 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,01 5:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,01 6:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,01 7:30:00,29 ,0.560771,8.130458,4.317697,2.063222
sgpcmbeC1.c1,2000,01 8:30:00,29 ,5.054193,31.63661,16.33822,8.373853
sgpcmbeC1.c1,2000,01 9:30:00,29 ,2.403919,50.81113,20.05018,15.14085
sgpcmbeC1.c1,2000,0110:30:00,29 , 1.78605, 57.5087,18.46945,15.17702
sgpcmbeC1.c1,2000,0111:30:00,29 ,0.519846,66.56422,19.85766,16.65552
sgpcmbeC1.c1,2000,0112:30:00,29 ,0.480801,113.9205,29.67312,29.02673
sgpcmbeC1.c1,2000,0113:30:00,29 ,0.449286,95.22307,21.21583,20.93727
sgpcmbeC1.c1,2000,0114:30:00,29 ,0.806509, 71.1952,19.89959,17.78395
sgpcmbeC1.c1,2000,0115:30:00,29 , 2.88437,43.32747,16.96097,10.71675
sgpcmbeC1.c1,2000,0116:30:00,29 ,5.618177,36.59415,16.86816,10.16822
sgpcmbeC1.c1,2000,0117:30:00,29 ,3.272528,27.41212,13.51128,6.921509
sgpcmbeC1.c1,2000,0118:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0119:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0120:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0121:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0122:30:00,23 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0123:30:00,22 ,       0,       0,       0,       0