condition mean min max 4 h after light 0.0159878 0.0 0.0479634 8 h after light 0.03275873333333333 0.0 0.0736103 12 h after light 0.0 0.0 0.0 4 h after dark 0.0412 0.0 0.1236 8 h after dark 0.0 0.0 0.0 12 h after dark 0.015404833333333333 0.0 0.0462145