condition mean min max 4 h after light 13.0561045 12.391997 13.720212 8 h after light 13.601213 13.170829 14.031597 12 h after light 11.9699515 11.452416 12.487487 4 h after dark 16.1143565 14.136078 18.092635 8 h after dark 19.0802145 13.720212 24.440217 12 h after dark 13.924767 13.924767 13.924767