Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
Tweet: It's finally raining in Ashland, Oregon. We've been parched all summer &amp; fall. The plants &amp; people are rejoicing!
This tweet contains emotions: 
joy