condition	mean	min	max
4 h after light	578.8	578.8	578.8
8 h after light	537.0	532.4	541.6
12 h after light	879.3	846.5	912.1
4 h after dark	2419.5	1036.2	3802.8
8 h after dark	1851.9	1712.8	1991.0
12 h after dark	1249.2	1133.2	1365.2