condition mean min max 0 h after light 0.185704 0.12395 0.247458 4 h after light 0.2460205 0.126071 0.36597 8 h after light 0.7380035 0.251897 1.22411 4 h after dark 0.6087875 0.607587 0.609988 8 h after dark 0.30567099999999997 0.245769 0.365573 12 h after dark 0.491559 0.241742 0.741376