condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.1734835 0.17063 0.176337 8 h after light 0.1724557 0.0880834 0.256828 4 h after dark 0.2979495 0.255961 0.339938 8 h after dark 0.2684365 0.193111 0.343762 12 h after dark 0.126799 0.0 0.253598