condition	mean	min	max
4 h after light	4.958130000000001	4.57617	5.34009
8 h after light	4.68651	4.65316	4.71986
12 h after light	4.9683	4.8037	5.1329
4 h after dark	7.21349	7.06775	7.35923
8 h after dark	7.352615	6.82653	7.8787
12 h after dark	6.325785	6.23736	6.41421