condition mean min max 4 h after light 97.0638505 91.767214 102.360487 8 h after light 103.620409 102.701067 104.539751 12 h after light 114.8470525 109.221979 120.472126 4 h after dark 131.605861 112.474271 150.737451 8 h after dark 161.36855450000002 138.114691 184.622418 12 h after dark 85.549631 85.549631 85.549631