On a rainy day, Blue wants to go outside and play by jumping in puddles while wearing her rain boots. She enjoys splashing outside despite the rain, celebrating the rainy day with activities like this. Additionally, in the episode "What Does Blue Want to Do on a Rainy Day?" Blue decides she wants to do something musical after hearing the raindrops sound like music and plays Blue's Clues to figure out exactly what musical activity she wants to do.
So, Blue's rainy day plans include playing outside in rain boots and splashing in puddles as well as engaging in musical activities inspired by the sound of rain.
