condition mean min max 4 h after light 0.08206015 0.0326203 0.1315 8 h after light 0.1555315 0.071345 0.239718 12 h after light 0.162315 0.129449 0.195181 4 h after dark 0.17121385 0.0865317 0.255896 8 h after dark 0.1776045 0.112984 0.242225 12 h after dark 0.385354 0.377935 0.392773