condition	mean	min	max
4 h after light	807.7	807.7	807.7
8 h after light	742.3	612.2	872.4
12 h after light	611.15	468.7	753.6
4 h after dark	465.05	456.6	473.5
8 h after dark	521.45	520.7	522.2
12 h after dark	565.65	488.4	642.9