Perma Rain or Perma Sun?
Rain
-increases the damage of Water-type moves by 50%
-causes Fire-type moves to do half damage
-Thunder is 100% accurate and can hit through Protect and Detect 30% of the time
-Solarbeam has a base power of 60
-Moonlight, Morning Sun, and Synthesis heal 1/4 of the user's maximum HP
-Pokémon with the Swift Swim ability have double Speed
-Pokémon with the Forecast ability become Water-type
-Pokémon with the Hydration ability are able to heal themselves of status effects at the end of each turn
-Pokémon with the Dry Skin ability heal 12.5% of the user's max HP every turn
-Pokemon with the Rain Dish ability heal 6.25% of their max HP every turn
-the move Weather Ball becomes the Water type and has a base power of 100.
Sun
-increases the damage of Fire-type moves by 50%
-causes Water-type moves to do half damage
-Thunder is 50% accurate
-Solarbeam has no charge turn
-Moonlight, Morning Sun, and Synthesis heal 2/3 of the user's maximum HP
-no Pokémon can be Frozen while the sunlight is active
-Pokémon with the Chlorophyll ability have double Speed
-Pokémon with the Forecast ability become Fire-type
-Pokémon with the Leaf Guard ability are unaffected by status inducing moves
-Pokémon with the Flower Gift ability and its partner in 2v2 have an increase in stats
-at the end of each turn, Pokémon with the Dry Skin or Solar Power abilities lose 1/8 HP, the latter getting a 50% special attack power boost
-the move Weather Ball becomes the Fire type and has a base power of 100.
Rain
-increases the damage of Water-type moves by 50%
-causes Fire-type moves to do half damage
-Thunder is 100% accurate and can hit through Protect and Detect 30% of the time
-Solarbeam has a base power of 60
-Moonlight, Morning Sun, and Synthesis heal 1/4 of the user's maximum HP
-Pokémon with the Swift Swim ability have double Speed
-Pokémon with the Forecast ability become Water-type
-Pokémon with the Hydration ability are able to heal themselves of status effects at the end of each turn
-Pokémon with the Dry Skin ability heal 12.5% of the user's max HP every turn
-Pokemon with the Rain Dish ability heal 6.25% of their max HP every turn
-the move Weather Ball becomes the Water type and has a base power of 100.
Sun
-increases the damage of Fire-type moves by 50%
-causes Water-type moves to do half damage
-Thunder is 50% accurate
-Solarbeam has no charge turn
-Moonlight, Morning Sun, and Synthesis heal 2/3 of the user's maximum HP
-no Pokémon can be Frozen while the sunlight is active
-Pokémon with the Chlorophyll ability have double Speed
-Pokémon with the Forecast ability become Fire-type
-Pokémon with the Leaf Guard ability are unaffected by status inducing moves
-Pokémon with the Flower Gift ability and its partner in 2v2 have an increase in stats
-at the end of each turn, Pokémon with the Dry Skin or Solar Power abilities lose 1/8 HP, the latter getting a 50% special attack power boost
-the move Weather Ball becomes the Fire type and has a base power of 100.