condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.037957333333333336 0.0 0.113872 12 h after light 0.012473733333333334 0.0 0.0374212 4 h after dark 0.0 0.0 0.0 8 h after dark 0.013789933333333332 0.0 0.0413698 12 h after dark 0.0 0.0 0.0