condition mean min max 4 h after light 8032.1 8032.1 8032.1 8 h after light 7477.450000000001 7088.3 7866.6 12 h after light 5688.35 4443.7 6933.0 4 h after dark 4060.2 3870.4 4250.0 8 h after dark 4014.0499999999997 3680.7 4347.4 12 h after dark 3920.95 3895.4 3946.5