condition mean min max 3 h after light 0.5997175833333334 0.139816 1.26183 7 h after light 0.7759960833333334 0.261629 1.78325 11 h after light 0.9531540833333333 0.258081 1.92824 2 h after dark 1.29015425 0.414317 2.39169 6 h after dark 0.87605325 0.408826 1.67766 10 h after dark 0.7551055 0.20008 1.50554