condition mean min max 4 h after light 149.4297875 139.766573 159.093002 8 h after light 123.541978 122.373827 124.710129 12 h after light 159.96251949999998 138.671695 181.253344 4 h after dark 167.138014 133.059056 201.216972 8 h after dark 231.77912550000002 173.711983 289.846268 12 h after dark 217.416546 217.416546 217.416546