Possible Clues:

• Further down
• Less cloudy (sky)
• More like a clear sky during daytime
• Obscure across clue - finally getting more down
• Navy rating's beginning to get bawdier
• Having little internal energy pop group is less happy
• Not as happy
• Lack of clarity about English with more swearing?
• Sky thus clearer, as university sportsman runs
• Like less cloudy skies