condition mean min max 0 h after light 6.128275 5.23699 7.01956 2 h after light 4.73245 4.68052 4.78438 4 h after light 2.974235 2.81837 3.1301 8 h after light 5.345435 5.22943 5.46144 12 h after light 8.407185 8.19909 8.61528 2 h after dark 6.0026 5.3387 6.6665 4 h after dark 5.710115 5.42821 5.99202 8 h after dark 8.21719 7.96938 8.465 12 h after dark 5.972429999999999 4.98734 6.95752