condition mean min max 3 h after light 8.92262 6.98741 10.27 6 h after light 12.841633333333334 11.298 14.6922 9 h after light 19.4529 16.1391 23.5802 12 h after light 28.728066666666667 24.4563 32.1528 3 h after dark 27.2121 26.5977 28.2576 6 h after dark 17.491600000000002 17.1273 18.1842 9 h after dark 10.90812 8.92696 11.9711 12 h after dark 6.964573333333333 6.05969 8.28454