condition mean min max 0 h after light 0.04675395 0.0327199 0.060788 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.01709315 0.0 0.0341863 12 h after dark 0.0 0.0 0.0