condition mean min max 0 h after light 0.2249155 0.0 0.449831 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.232278 0.0 0.464556 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.216173 0.0 0.432346 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0