condition	mean	min	max
4 h after light	1514.7	1514.7	1514.7
8 h after light	1538.05	1458.6	1617.5
12 h after light	1172.2	1050.0	1294.4
4 h after dark	1217.4	1039.2	1395.6
8 h after dark	1348.4	1284.8	1412.0
12 h after dark	1201.5	1127.1	1275.9