I am monitoring the weather forecast for this Sunday.

 This trip will only take place on a sunny day; if it's not sunny, we will postpone to another date.

* Duration (stamina required):
- *A*: No more than 4 hours of average hiking time at a slow to medium pace.
- *B*: 4-7 hours of average hiking time at a medium to moderate pace.
- *C*: More than 8 hours of hiking at a fast pace.
- *D*: More than 12 hours of hiking at a fast pace, often through less-traveled areas. For very fit and experienced hikers only.

* Difficulty (strength and skill required):
- *1*: Gentle gradient, rolling terrain (easy).
- *2*: Moderate gradient, with occasional fairly steep but short sections (moderate difficulty).
- *3*: Prolonged steep gradient, possibly involving scrambling and/or bushwhacking (difficult).

* Elevation Gain (fitness required):
- *A*: Up to 500 meters.
- *B*: 500 to 1000 meters.