condition	mean	min	max
4 h after light	843.0	843.0	843.0
8 h after light	821.55	749.2	893.9
12 h after light	915.25	848.7	981.8
4 h after dark	963.4	923.3	1003.5
8 h after dark	888.45	864.2	912.7
12 h after dark	804.05	742.3	865.8