condition	mean	min	max
4 h after light	582.4	582.4	582.4
8 h after light	567.4	524.5	610.3
12 h after light	553.7	518.2	589.2
4 h after dark	541.8	513.1	570.5
8 h after dark	421.4	360.5	482.3
12 h after dark	427.05	399.0	455.1