condition mean min max 4 h after light 1.0593035 0.893047 1.22556 8 h after light 1.059995 1.03949 1.0805 12 h after light 3.1903949999999996 3.0128 3.36799 4 h after dark 5.44516 5.29241 5.59791 8 h after dark 4.72269 4.62331 4.82207 12 h after dark 2.552065 2.17347 2.93066