condition	mean	min	max
4 h after light	11161.9	11161.9	11161.9
8 h after light	8490.25	7226.6	9753.9
12 h after light	4877.45	2669.6	7085.3
4 h after dark	2205.35	2057.5	2353.2
8 h after dark	4306.05	1888.7	6723.4
12 h after dark	9536.85	5751.2	13322.5