condition mean min max 4 h after light 112.3 112.3 112.3 8 h after light 109.30000000000001 85.2 133.4 12 h after light 123.05 92.5 153.6 4 h after dark 140.15 139.0 141.3 8 h after dark 123.30000000000001 94.2 152.4 12 h after dark 118.1 108.9 127.3