condition mean min max 3 h after light 21.8109325 9.41419 32.1946 7 h after light 19.988991666666667 12.7826 29.0691 11 h after light 18.2880675 7.67491 27.8335 2 h after dark 17.992055 6.45626 29.2049 6 h after dark 16.2775 10.2094 25.7002 10 h after dark 16.591325833333332 7.44671 20.7463