condition	mean	min	max
4 h after light	19.867691999999998	16.072839	23.662545
8 h after light	17.810477	11.806515	23.814439
12 h after light	24.6557935	18.198528	31.113059
4 h after dark	19.3316135	18.255039	20.408188
8 h after dark	18.8537635	18.622634	19.084893
12 h after dark	29.127854	29.127854	29.127854