condition mean min max 4 h after light 2565.7 2565.7 2565.7 8 h after light 2876.1499999999996 2379.6 3372.7 12 h after light 2753.0 2558.3 2947.7 4 h after dark 2445.0 2323.0 2567.0 8 h after dark 2127.45 2123.8 2131.1 12 h after dark 1848.6 1707.2 1990.0