condition	mean	min	max
4 h after light	1116.5	1116.5	1116.5
8 h after light	1112.55	963.3	1261.8
12 h after light	1095.8	1069.0	1122.6
4 h after dark	1083.5	1031.9	1135.1
8 h after dark	1216.65	1189.8	1243.5
12 h after dark	1201.35	1183.9	1218.8