condition	mean	min	max
4 h after light	2.38923	2.31318	2.46528
8 h after light	6.68759	5.57783	7.79735
12 h after light	4.96435	4.60609	5.32261
4 h after dark	0.8320595	0.651459	1.01266
8 h after dark	0.5912805	0.544605	0.637956
12 h after dark	1.131878	0.923356	1.3404