condition	mean	min	max
4 h after light	567.1	567.1	567.1
8 h after light	501.0	387.1	614.9
12 h after light	695.05	527.8	862.3
4 h after dark	688.1	680.2	696.0
8 h after dark	560.8	560.2	561.4
12 h after dark	438.25	430.8	445.7