condition mean min max 4 h after light 2803.2594443333332 2706.165 2913.62 8 h after light 2606.3472223333333 2409.955 2764.746667 12 h after light 2308.8866666666668 1919.013333 2755.37 1.5 h after dark 2941.001111 2365.163333 3542.45 5.5 h after dark 4497.118889 3091.446667 5253.42 9.5 h after dark 4098.531111 3208.253333 4930.553333