condition mean min max 0 h after light 11.10515 10.6606 11.5497 4 h after light 7.65982 5.67807 9.64157 8 h after light 5.52793 4.83368 6.22218 4 h after dark 6.952775000000001 5.473 8.43255 8 h after dark 8.993590000000001 7.15868 10.8285 12 h after dark 9.974070000000001 9.19454 10.7536