condition	mean	min	max
4 h after light	8.182274	8.061852	8.302696
8 h after light	9.5415635	9.368883	9.714244
12 h after light	9.8638845	9.838465	9.889304
4 h after dark	12.1581345	9.642795	14.673474
8 h after dark	16.6803635	8.181666	25.179061
12 h after dark	10.024073	10.024073	10.024073