condition	mean	min	max
4 h after light	3719.7	3719.7	3719.7
8 h after light	4356.9	3260.9	5452.9
12 h after light	5109.6	4886.6	5332.6
4 h after dark	4225.35	3822.5	4628.2
8 h after dark	3394.2	3210.5	3577.9
12 h after dark	2403.25	1950.7	2855.8