condition	mean	min	max
4 h after light	14.34065	13.6956	14.9857
8 h after light	12.05875	10.7197	13.3978
12 h after light	13.9251	11.4896	16.3606
4 h after dark	16.11945	15.2591	16.9798
8 h after dark	18.10805	16.4642	19.7519
12 h after dark	17.7226	17.2025	18.2427