condition mean min max 4 h after light 195.6635 193.173 198.154 8 h after light 157.667 155.272 160.062 12 h after light 134.607 130.392 138.822 4 h after dark 96.672 89.093 104.251 8 h after dark 112.7915 108.926 116.657 12 h after dark 144.536 143.194 145.878