condition	mean	min	max
4 h after light	1305.8	1305.8	1305.8
8 h after light	1129.75	1112.2	1147.3
12 h after light	1001.45	992.0	1010.9
4 h after dark	996.5	973.8	1019.2
8 h after dark	975.5	783.3	1167.7
12 h after dark	1156.1	1012.2	1300.0