condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.09694185 0.0732677 0.120616 4 h after dark 0.0145466 0.0 0.0290932 8 h after dark 0.02917465 0.0 0.0583493 12 h after dark 0.0874599 0.0591658 0.115754