condition mean min max 4 h after light 0.0382987 0.0 0.0765974 8 h after light 0.0310296 0.0 0.0620592 12 h after light 0.0502685 0.0 0.100537 4 h after dark 0.067205 0.0 0.13441 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0326838 0.0 0.0653676