condition mean min max 4 h after light 132.758595 117.974416 147.542774 8 h after light 156.0782105 140.30898 171.847441 12 h after light 161.2816915 130.165112 192.398271 4 h after dark 202.5139605 171.847441 233.18048 8 h after dark 284.227412 204.538512 363.916312 12 h after dark 120.385903 120.385903 120.385903