condition	mean	min	max
4 h after light	49.1081	45.9551	52.2611
8 h after light	28.7337	28.6696	28.7978
12 h after light	37.9769	36.3387	39.6151
4 h after dark	62.6965	59.8762	65.5168
8 h after dark	89.56025	86.0366	93.0839
12 h after dark	74.4411	73.7821	75.1001