condition mean min max 0 h after light 0.124271 0.0 0.248542 2 h after light 0.115642 0.0 0.231284 4 h after light 0.234585 0.0 0.46917 8 h after light 0.1192155 0.0 0.238431 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 0.0 0.0 0.0 12 h after dark 0.118507 0.0 0.237014