condition	mean	min	max
4 h after light	1130.1	1130.1	1130.1
8 h after light	1026.0	974.2	1077.8
12 h after light	1048.5	1028.2	1068.8
4 h after dark	1187.3	1060.5	1314.1
8 h after dark	1160.4	1131.0	1189.8
12 h after dark	1179.35	1149.5	1209.2