Everything you are doing is great,( shoot in hunting gear, foul weather, low light, and any other situations you can simulate for real world hunting) I would drop down to 30-50 shots a day. Any more than that and you will start to experience muscle fatigue whether you feel it or not. I shot for PSE for 3 years and our team coach would not allow much more than 50 shots because when you get the muscle fatigue it creates hurried shots, poor form and inconsistent shooting practices.