condition mean min max 4 h after light 111.7040475 54.604616 168.803479 8 h after light 475.79909699999996 165.135368 786.462826 12 h after light 912.9734805 447.145169 1378.801792 4 h after dark 1882.1541515 1139.184696 2625.123607 8 h after dark 1619.98596 896.750509 2343.221411 12 h after dark 1081.554565 1081.554565 1081.554565