condition	mean	min	max
4 h after light	1152.6	1152.6	1152.6
8 h after light	1125.75	1103.9	1147.6
12 h after light	1051.9	977.7	1126.1
4 h after dark	1180.6	1119.0	1242.2
8 h after dark	1254.85	1235.7	1274.0
12 h after dark	1145.45	1129.2	1161.7