condition	mean	min	max
4 h after light	1163.7	1163.7	1163.7
8 h after light	1030.1	937.5	1122.7
12 h after light	1193.15	1078.0	1308.3
4 h after dark	1355.9	1288.9	1422.9
8 h after dark	1276.1999999999998	1149.1	1403.3
12 h after dark	1097.45	1072.9	1122.0