condition mean min max 4 h after light 171.5002915 119.61468 223.385903 8 h after light 193.71394800000002 164.054612 223.373284 12 h after light 181.85501349999998 171.987306 191.722721 4 h after dark 180.311495 172.602471 188.020519 8 h after dark 182.5665725 165.529434 199.603711 12 h after dark 144.232057 144.232057 144.232057