condition mean min max 3 h after light 1.7941443333333333 0.796696 3.12115 7 h after light 1.2270655833333333 0.281874 2.39154 11 h after light 0.9148824166666667 0.42364 1.65952 2 h after dark 2.59095 1.71343 3.27621 6 h after dark 2.4151133333333332 1.69522 3.01225 10 h after dark 2.256225 1.31944 3.05668