condition mean min max 0 h after light 0.0910746 0.0909934 0.0911558 4 h after light 0.04765405 0.0 0.0953081 8 h after light 0.14643050000000002 0.102518 0.190343 4 h after dark 0.125861 0.100337 0.151385 8 h after dark 0.1997755 0.092828 0.306723 12 h after dark 0.0227178 0.0 0.0454356