condition mean min max 4 h after light 36.14665 25.2436 47.0497 8 h after light 5.9359850000000005 5.12371 6.74826 12 h after light 8.705035 8.28297 9.1271 4 h after dark 53.3529 51.4043 55.3015 8 h after dark 77.55930000000001 72.891 82.2276 12 h after dark 65.30685 63.1723 67.4414