In 2013 Mark Norman Francis wore 126 different tshirts a total of 214 times; 87 were first worn this year; 51 have not been worn since.

1. January

   1. First worn January 1st
   2. First and last worn January 2nd
   3. First worn January 3rd
   4. First worn January 4th
   5. First and last worn January 5th
   6. First and last worn January 6th
   7. First and last worn January 7th
   8. First and last worn January 8th
   9. First worn January 9th
   10. First and last worn January 10th
   11. First worn January 11th
   12. First worn January 12th
   13. First and last worn January 13th
   14. First worn January 14th
   15. First worn January 15th
   16. First worn January 16th
   17. First worn January 17th
   18. First and last worn January 18th
   19. First worn January 19th
   20. First and last worn January 20th
   21. First and last worn January 21st
   22. First worn January 22nd
   23. First worn January 23rd
   24. First worn January 24th
   25. First worn January 25th
   26. First and last worn January 26th
   27. First worn January 27th
   28. First and last worn January 28th
   29. First worn January 29th
   30. First and last worn January 30th
   31. First worn January 31st

2. February

   1. First and last worn February 1st
   2. First and last worn February 2nd
   3. First and last worn February 3rd
   4. First and last worn February 4th
   5. First and last worn February 5th
   6. First and last worn February 6th
   7. First and last worn February 7th
   8. First and last worn February 8th
   9. First worn February 9th
   10. First and last worn February 10th
   11. First and last worn February 11th
   12. First worn February 12th
   13. First worn February 13th
   14. First worn February 14th
   15. First and last worn February 15th
   16. First and last worn February 16th
   17. First and last worn February 17th
   18. First and last worn February 18th
   19. First worn February 19th
   20. First worn February 20th
   21. First and last worn February 21st
   22. First worn February 22nd
   23. First and last worn February 23rd
   24. First and last worn February 24th
   25. First and last worn February 25th
   26. First and last worn February 26th
   27. First and last worn February 27th
   28. First and last worn February 28th

3. March

   1. First and last worn March 1st
   2. First and last worn March 2nd
   3. First and last worn March 3rd
   4. First and last worn March 4th
   6. First worn March 6th
   7. First and last worn March 7th
   8. First and last worn March 8th
   9. First and last worn March 9th
   10. First worn March 10th
   11. First and last worn March 11th
   12. First and last worn March 12th
   13. First and last worn March 13th
   14. First worn March 14th
   15. First and last worn March 15th
   16. First worn March 16th
   17. First and last worn March 17th

4. April

   9. First worn April 9th
   17. First worn April 17th

5. May

   3. May 3rd

6. June

   13. Last worn June 13th
   14. June 14th
   15. June 15th
   16. June 16th
   17. June 17th
   18. June 18th
   19. June 19th
   20. June 20th
   21. June 21st
   22. June 22nd
   23. June 23rd
   24. June 24th
   27. June 27th

7. July

   7. July 7th
   8. July 8th
   9. July 9th
   10. July 10th
   11. July 11th
   12. First worn July 12th
   13. First worn July 13th
   14. First worn July 14th
   15. July 15th
   16. July 16th
   17. July 17th
   18. July 18th
   19. July 19th
   23. July 23rd
   24. First and last worn July 24th
   25. July 25th
   26. July 26th
   29. July 29th
   31. July 31st

8. August

   1. August 1st
   2. August 2nd
   3. August 3rd
   19. August 19th
   28. August 28th

9. September

   3. September 3rd
   16. First worn September 16th
   17. First worn September 17th
   18. First worn September 18th
   19. September 19th
   21. September 21st
   22. September 22nd
   23. September 23rd
   24. September 24th
   25. First worn September 25th
   26. First worn September 26th
   27. September 27th
   28. September 28th
   29. September 29th
   30. First worn September 30th

10. October

    1. October 1st
    2. October 2nd
    3. October 3rd
    4. October 4th
    8. October 8th
    9. October 9th
    10. October 10th
    12. October 12th
    13. October 13th
    14. October 14th
    15. October 15th
    16. Last worn October 16th
    17. October 17th
    18. October 18th
    19. October 19th
    20. October 20th
    21. October 21st
    22. October 22nd
    23. October 23rd
    24. October 24th
    25. October 25th
    26. October 26th
    27. October 27th
    28. October 28th
    29. October 29th
    31. October 31st

11. November

    1. November 1st
    2. November 2nd
    3. November 3rd
    4. November 4th
    5. November 5th
    6. November 6th
    7. November 7th
    8. November 8th
    9. November 9th
    10. November 10th
    11. November 11th
    12. November 12th
    13. November 13th
    14. November 14th
    15. November 15th
    16. November 16th
    17. November 17th
    18. November 18th
    19. November 19th
    20. November 20th
    21. November 21st
    22. November 22nd
    23. November 23rd
    24. November 24th
    25. Last worn November 25th
    26. November 26th
    27. November 27th
    28. November 28th
    30. November 30th

12. December

    1. December 1st
    2. December 2nd
    3. December 3rd
    4. December 4th
    5. December 5th
    6. December 6th
    8. December 8th
    9. December 9th
    10. December 10th
    11. December 11th
    12. December 12th
    13. December 13th
    14. December 14th
    15. December 15th
    16. December 16th
    18. December 18th
    19. December 19th
    20. Last worn December 20th
    21. December 21st
    22. December 22nd
    23. December 23rd
    24. December 24th
    25. December 25th
    26. December 26th
    27. December 27th
    28. December 28th
    29. December 29th
    30. December 30th
    31. December 31st