condition	mean	min	max
4 h after light	631.9	631.9	631.9
8 h after light	421.15	384.3	458.0
12 h after light	565.45	433.3	697.6
4 h after dark	483.95	444.4	523.5
8 h after dark	489.3	391.4	587.2
12 h after dark	544.7	416.2	673.2