condition mean min max 4 h after light 115.705 115.321 116.089 8 h after light 105.89025 99.2755 112.505 12 h after light 101.26595 94.1949 108.337 4 h after dark 113.405 106.21 120.6 8 h after dark 108.57900000000001 108.031 109.127 12 h after dark 104.449 102.618 106.28