condition	mean	min	max
4 h after light	430.5	430.5	430.5
8 h after light	497.5	468.9	526.1
12 h after light	503.0	441.3	564.7
4 h after dark	511.0	489.4	532.6
8 h after dark	518.05	476.7	559.4
12 h after dark	437.6	434.9	440.3