condition	mean	min	max
4 h after light	4818.1	4818.1	4818.1
8 h after light	5258.25	5149.8	5366.7
12 h after light	3970.35	2942.0	4998.7
4 h after dark	3473.85	3084.6	3863.1
8 h after dark	3774.35	3461.2	4087.5
12 h after dark	4319.95	4013.9	4626.0