condition mean min max 0 h after light 5.12124 4.53915 5.70333 4 h after light 2.928105 2.82207 3.03414 8 h after light 4.245725 4.229 4.26245 4 h after dark 4.354235 3.85354 4.85493 8 h after dark 4.376635 4.01587 4.7374 12 h after dark 4.983085 4.43431 5.53186