Effect of wet roads on efficiency: estimated 14.5% MPG drop

[Big Dave]

That rain adversely affects MPG (snow is worse) squares with my experience, but I have not found any way to avoid driving in the rain and snow.

[PaleMelanesian]

Here's an example I use:

I need to run to the store to pick up some items some time this week. If it's raining today, I can look at the weather forecast and see that tomorrow will be dry. I'll do the errand then, instead of now. Besides, it's more pleasant to be out and about in dry weather.

[Piwoslaw]

Originally Posted by PaleMelanesian

Here's an example I use:

I need to run to the store to pick up some items some time this week. If it's raining today, I can look at the weather forecast and see that tomorrow will be dry. I'll do the errand then, instead of now. Besides, it's more pleasant to be out and about in dry weather.

Sort of like what I do often, but I'm more like: It'll be dry and warm in two days, so I'll bike to town then...