condition mean min max 2 h after light 0.020820166666666667 0.0 0.124921 6 h after light 0.0 0.0 0.0 10 h after light 0.021831166666666665 0.0 0.130987 14 h after light 0.0 0.0 0.0 18 h after light 0.041931166666666665 0.0 0.148284 2 h after dark 0.0477975 0.0 0.149156