condition mean min max 0 h after light 5.054555 4.73199 5.37712 2 h after light 3.21227 3.01396 3.41058 4 h after light 2.01437 1.83247 2.19627 8 h after light 2.047165 1.93062 2.16371 12 h after light 3.565435 2.96304 4.16783 2 h after dark 3.449485 2.77911 4.11986 4 h after dark 3.608525 3.31278 3.90427 8 h after dark 6.54468 5.86141 7.22795 12 h after dark 5.34619 4.36519 6.32719