condition mean min max 4 h after light 5266.8 5266.8 5266.8 8 h after light 5201.5 4294.4 6108.6 12 h after light 3736.8 3040.0 4433.6 4 h after dark 4519.3 3241.6 5797.0 8 h after dark 5782.5 5390.8 6174.2 12 h after dark 7593.450000000001 6180.8 9006.1