condition	mean	min	max
0 h after light	7.910735000000001	7.76611	8.05536
4 h after light	39.1368	29.8147	48.4589
8 h after light	8.77383	7.68337	9.86429
4 h after dark	5.110255	3.03742	7.18309
8 h after dark	19.784550000000003	18.614	20.9551
12 h after dark	19.99815	14.5505	25.4458