condition	mean	min	max
4 h after light	877.5	877.5	877.5
8 h after light	823.7	787.1	860.3
12 h after light	798.2	767.8	828.6
4 h after dark	783.8	770.8	796.8
8 h after dark	798.4	729.8	867.0
12 h after dark	825.7	759.6	891.8