condition mean min max 3 h after light 0.132268 0.0 0.396804 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.022777 0.0 0.091108 3 h after dark 1.08513 0.0 3.25539 6 h after dark 0.0 0.0 0.0 9 h after dark 1.11443 0.0 3.34329 12 h after dark 0.0 0.0 0.0