condition	mean	min	max
4 h after light	2.70683	2.08746	3.3262
8 h after light	4.7909299999999995	4.39935	5.18251
12 h after light	6.020709999999999	5.14936	6.89206
4 h after dark	5.94388	5.87646	6.0113
8 h after dark	5.175295	4.8547	5.49589
12 h after dark	4.74386	4.58535	4.90237