condition mean min max 0 h after light 50.84115 45.9915 55.6908 2 h after light 39.4135 36.3934 42.4336 4 h after light 30.50945 28.9284 32.0905 8 h after light 29.14365 24.5071 33.7802 12 h after light 44.78815 41.5571 48.0192 2 h after dark 41.419 39.711 43.127 4 h after dark 47.39275 46.1963 48.5892 8 h after dark 57.59695 54.4013 60.7926 12 h after dark 54.49625 50.5695 58.423