condition mean min max 2 h after light 7.606672833333333 0.437807 19.6135 6 h after light 18.181015 1.79192 65.615 10 h after light 13.342826666666666 1.0158 46.6286 14 h after light 23.563729833333333 0.748719 88.2025 18 h after light 15.866134999999998 1.64724 67.1321 2 h after dark 6.346946833333333 0.562981 23.1194