condition	mean	min	max
4 h after light	753.5	753.5	753.5
8 h after light	626.55	582.5	670.6
12 h after light	551.75	499.8	603.7
4 h after dark	542.35	483.1	601.6
8 h after dark	586.9	503.0	670.8
12 h after dark	715.4	596.5	834.3