condition mean min max 4 h after light 4.77393 4.19361 5.35425 8 h after light 3.34445 2.57484 4.11406 12 h after light 3.8870750000000003 3.66703 4.10712 4 h after dark 5.467973333333333 4.84873 5.99079 8 h after dark 5.00472 3.34078 6.44872 12 h after dark 4.228253333333333 3.41908 4.6713