condition mean min max 4 h after light 57.8 57.8 57.8 8 h after light 55.599999999999994 49.4 61.8 12 h after light 67.35 53.5 81.2 4 h after dark 55.9 53.0 58.8 8 h after dark 58.0 51.5 64.5 12 h after dark 41.55 34.9 48.2