Hiya,
Its not to bad to change, in the modlet you downloaded there should be a file called recipes.xml that has the following code:
<configs>
<!-- Make snow into water -->
<append xpath="/recipes">
<recipe name="drinkJarBoiledWater" count="1" craft_time="5" craft_area="campfire" craft_tool="toolCookingPot">
<ingredient name="resourceSnowBall" count="1"/>
</recipe>
</append>
</configs>
Below is a brief description of each element:
recipe name="drinkJarBoiledWater" --> This refers to the item to be produced, these are defined in the items.xml file in the official 7DTD directory
count="1" --> the number of items to produce, if you changed this to 10, you'd make 10 bottles of water out of 1 snowball
craft_time="5" --> how long it takes to craft, I believe this is in seconds
craft_area="campfire" --> the crafting station
craft_tool="toolCookingPot" --> and what tool the crafting station needs to have installed
ingredient name="resourceSnowBall" --> the ingredient required for crafting, again defined in items.xml
count="1" --> how much of that ingredient is required. For example, if you changed this to 10, it would take 10 snowballs to produce 1 bottle of water.
Modifying any of these values will change how the recipe performs.
Hope this helps.
It varies per biome.
In the snow biome the default weather (ie sunshine) chance is 40%, then in non-default the weather chances are: snow 40%, fog 8% and storm 8%
In the forest biome default weather is 83%, then non-default chances are rain 7%, fog 7% and storm 2%.
What prompted me to make the modlet was even though I was in the desert, I got rain every single day, which is hard to understand since supposedly default weather is 87%, then during non default weather rain is 8% and storm is 7%.
I don't know if there is a bug somewhere but I just couldn't take the rain anymore. lol