You can either do the CAL - Crochet-a-long, or the KAL - Knit-a-long, or do both.
They gave instructions to do this for every month of the year, at least 2 rows per day for each temperature color. You assign yarn colors based in certain temperature ranges.
However, I guess you can modify this any way you want, including the colors you want to use, or how often to knit or crochet a temperature (perhaps weekly), or different stitches to use.
Instructions are posted at:
Bernat Temperature Scarf
