condition	mean	min	max
4 h after light	9.3653585	8.884164	9.846553
8 h after light	8.132642	7.362031	8.903253
12 h after light	8.054377500000001	7.232165	8.87659
4 h after dark	8.3137425	7.989167	8.638318
8 h after dark	8.612105	8.191807	9.032403
12 h after dark	7.288218	7.288218	7.288218