condition	mean	min	max
4 h after light	3565.7	3565.7	3565.7
8 h after light	3675.8	3151.6	4200.0
12 h after light	3527.7	3115.1	3940.3
4 h after dark	3183.65	3171.8	3195.5
8 h after dark	2798.0	2716.7	2879.3
12 h after dark	2646.05	2525.1	2767.0