condition mean min max 0 h after light 0.6597935 0.564961 0.754626 4 h after light 1.0367315 0.959423 1.11404 8 h after light 0.857259 0.372628 1.34189 4 h after dark 0.5555950000000001 0.371371 0.739819 8 h after dark 0.372508 0.370945 0.374071 12 h after dark 0.5560095 0.376135 0.735884