condition mean min max 4 h after light 2934.9 2934.9 2934.9 8 h after light 2822.05 2257.4 3386.7 12 h after light 2228.75 2149.2 2308.3 4 h after dark 2615.65 1776.7 3454.6 8 h after dark 2874.95 2378.8 3371.1 12 h after dark 2612.1000000000004 2249.9 2974.3