condition mean min max 4 h after light 62.9 62.9 62.9 8 h after light 108.75 94.0 123.5 12 h after light 46.05 5.6 86.5 4 h after dark 71.65 39.7 103.6 8 h after dark 49.85 46.7 53.0 12 h after dark 25.2 17.4 33.0