condition mean min max 4 h after light 3093.8 3093.8 3093.8 8 h after light 2451.3999999999996 1941.1 2961.7 12 h after light 2652.85 1615.5 3690.2 4 h after dark 4190.6 3507.4 4873.8 8 h after dark 3194.3 2726.5 3662.1 12 h after dark 3640.7000000000003 2774.8 4506.6