condition	mean	min	max
4 h after light	3.397495	2.90256	3.89243
8 h after light	3.879605	3.61235	4.14686
12 h after light	5.053140000000001	4.73739	5.36889
4 h after dark	6.19247	5.754	6.63094
8 h after dark	5.68461	5.57233	5.79689
12 h after dark	4.760149999999999	4.14717	5.37313