condition mean min max 4 h after light 2295.5 2295.5 2295.5 8 h after light 2744.8 2679.3 2810.3 12 h after light 3061.55 2962.9 3160.2 4 h after dark 2685.6000000000004 2520.3 2850.9 8 h after dark 2149.3 1791.3 2507.3 12 h after dark 1696.25 1532.3 1860.2