condition mean min max 4 h after light 3731.4 3731.4 3731.4 8 h after light 3902.75 3585.2 4220.3 12 h after light 4340.95 4014.5 4667.4 4 h after dark 4882.049999999999 4576.4 5187.7 8 h after dark 5138.9 4749.3 5528.5 12 h after dark 4891.25 4345.8 5436.7