condition mean min max 4 h after light 172.7 172.7 172.7 8 h after light 110.5 73.7 147.3 12 h after light 113.6 84.6 142.6 4 h after dark 145.39999999999998 140.6 150.2 8 h after dark 129.85 101.8 157.9 12 h after dark 127.55000000000001 126.7 128.4