how close to 4am does my cat wake me up every morning?

• 30: 3:30???
• 27: 4:32
• 17: 4:31
• 16: 3:51
• 13: 3:52
• 09: 4:05
• 08: 4:11
• 07: 3:52
• 06: 4:32
• 05: 4:51