condition	mean	min	max
4 h after light	3430.081711	3067.74212	3792.421302
8 h after light	3034.26064	2523.750762	3544.770518
12 h after light	3707.4710825	3622.520863	3792.421302
4 h after dark	3913.177048	3668.602855	4157.751241
8 h after dark	4494.071242	4387.410648	4600.731836
12 h after dark	3796.962826	3796.962826	3796.962826