condition mean min max 4 h after light 12.04835 11.7696 12.3271 8 h after light 19.200850000000003 18.4658 19.9359 12 h after light 32.2525 29.3681 35.1369 4 h after dark 18.8634 18.5039 19.2229 8 h after dark 22.1709 20.5301 23.8117 12 h after dark 16.1331 14.9745 17.2917