On-bike luggage

First there is the stuff I need every day which is mounted on the bike:

• Bidon
• GPS
• Pump
• Tail light
• Saddlebag with tube and tools
• Phone in waterproof mount

or will be in the handlebar bag:

• Map case with cue cards
• Camera
• Wallet
• Bike lock
• Sunscreen
• GoPuck and cable

Depending on the forecast:

• Arm warmers
• Jacket
• Cap
• Sandals