condition mean min max 4 h after light 186.3715885 184.895706 187.847471 8 h after light 174.2828255 151.681617 196.884034 12 h after light 189.9552415 185.698353 194.21213 4 h after dark 233.2300545 181.797749 284.66236 8 h after dark 186.7221315 165.135283 208.30898 12 h after dark 185.554026 185.554026 185.554026