condition mean min max 2 h after light 0.537019 0.374601 0.740685 6 h after light 0.43497 0.364346 0.526072 10 h after light 0.36873833333333333 0.19978 0.467005 2 h after dark 0.8551763333333333 0.437722 1.27456 6 h after dark 1.094401 0.604123 1.6191 10 h after dark 1.29607 1.06911 1.47836