condition mean min max 4 h after light 5394.2 5394.2 5394.2 8 h after light 5796.6 4662.2 6931.0 12 h after light 5381.549999999999 5282.7 5480.4 4 h after dark 5918.799999999999 4558.2 7279.4 8 h after dark 6058.1 5361.8 6754.4 12 h after dark 5666.05 5379.0 5953.1