| Months | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Precipitation (mm) | 18 | 12 | 18 | 22 | 35 | 54 | 68 | 62 | 41 | 29 | 20 | 16 |
| Average Temperature (°C) | -25 | -22 | -18 | -10 | -1 | 6 | 12 | 10 | 3 | -8 | -15 | -21 |
Using the climate data table above, calculate the mean monthly precipitation for this ecosystem.
Give your answer to one decimal place.