Possible Clues:

• Derive as a consequence
• Read into
• 'Not out' the umpire is upset to conclude
• Imply it could be hot, no?
• Might one imply it's hot with nothing more?
• Unproductive without hat - reason?
• 'Deduce, conclude (5)'
• Deduce number lost in terrible fire
• Gather sign of beer must be oddly missing
• Conclude there's no escaping from hell