condition	mean	min	max
4 h after light	1019.0	1019.0	1019.0
8 h after light	1365.5	1341.9	1389.1
12 h after light	996.75	785.1	1208.4
4 h after dark	926.4	660.8	1192.0
8 h after dark	1093.2	1016.0	1170.4
12 h after dark	1002.25	981.8	1022.7