condition	mean	min	max
4 h after light	5.329165	5.09496	5.56337
8 h after light	4.82141	4.37366	5.26916
12 h after light	5.4317150000000005	5.29615	5.56728
4 h after dark	5.99701	5.12204	6.64099
8 h after dark	5.545233333333333	5.28487	5.70429
12 h after dark	5.16782	4.77561	5.72967