condition	mean	min	max
4 h after light	3.92912	3.85511	3.98766
8 h after light	4.0112	3.89739	4.0778099999999995
12 h after light	4.028286666666666	3.91086	4.136019999999999
4 h after dark	3.96798	3.90185	4.05277
8 h after dark	3.94528	3.9052	3.9908300000000003
12 h after dark	3.9121466666666667	3.89164	3.94834