https://www.ravelry.com/projects/claresaknit/twenty-twent...

https://www.ravelry.com/projects/InsomniaCrochet/temperat...

One color and 2 colors granny squares like this : https://www.ravelry.com/patterns/library/modern-patchwork...

18x21 squares = 378

1 square in 2 colors for each day (minimum and high temperature in Montpellier, south of )

• 1 square in 1 color for each month
• 1 square in 1 color for the year

Each square : 6,50 cm