condition mean min max 2 h after light 1.1283683333333332 0.0 6.77021 6 h after light 0.522745 0.0 3.13647 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 0.530525 0.0 3.18315 2 h after dark 1.6050933333333333 0.0 3.62523