condition mean min max 4 h after light 4515.0 4515.0 4515.0 8 h after light 5001.95 4980.2 5023.7 12 h after light 4550.25 4294.4 4806.1 4 h after dark 4601.15 4474.7 4727.6 8 h after dark 3920.0 3560.0 4280.0 12 h after dark 3530.75 3440.6 3620.9