How to change data from multiple columuns

year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1981 0.265 0.197 0.136 0.176 0.156 0.176 0.265 3.054 2.838 3.109 0.692 0.391
1981 0.265 0.176 0.156 0.156 0.156 0.136 0.265 3.275 2.892 3 0.692 0.391
1981 0.265 0.176 0.136 0.136 0.156 0.136 0.265 2.68 3.054 2.733 0.659 0.391
.
.
.
1981 0.219 0.136 0.265 0.219 0.176 0.505 1.799 3 3.164 0.725 0.419 0.265
1981 0.197 0.219 0.176 0.176 0.313 2.373 3.22 3.109 0.725 0.419 0.366
1981 0.197 0.219 0.176 0.176 0.265 2.423 3.109 3.054 0.725 0.419 0.465
I need these data into the following form:
1981 0.265
1981 0.265
1981 0.265
1981 0.197
1981 0.176
1981 0.176
1981 .
1981 .
1981 .
1981 0.265
1981 0.366
1981 0.465

Thank you for your response, but the command "Transpose" can not work. Here I need the the data from multiple columun with multiple rows into one row/columun with multi columun/rows, respectively.

Originally Posted by AndyLitch

So you want all data for a single year compiled into a single column ?

Yes, but does't matter it can be in row. What I need is arranging the daily streamflow data given at monthly time steps for each year (from 1980-2010, I need all the daily data for each year at a separate columun or row. I hope you will help me.