condition mean min max 4 h after light 0.2078415 0.104528 0.311155 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.112462 0.045304 0.17962 12 h after dark 0.0 0.0 0.0