condition mean min max 4 h after light 25.09225 24.6015 25.583 8 h after light 15.52755 15.248 15.8071 12 h after light 14.28605 13.5791 14.993 4 h after dark 16.2733 14.5806 17.966 8 h after dark 16.6471 15.9232 17.371 12 h after dark 21.2991 21.0295 21.5687