condition	mean	min	max
4 h after light	3557.0	3557.0	3557.0
8 h after light	3068.55	3043.4	3093.7
12 h after light	2678.0	2548.6	2807.4
4 h after dark	2998.7	2618.6	3378.8
8 h after dark	3382.2	3022.4	3742.0
12 h after dark	3674.15	3422.3	3926.0