condition	mean	min	max
4 h after light	572.3	572.3	572.3
8 h after light	644.8	633.7	655.9
12 h after light	568.6	519.2	618.0
4 h after dark	911.2	723.0	1099.4
8 h after dark	1194.3000000000002	1025.4	1363.2
12 h after dark	871.0	748.2	993.8