condition	mean	min	max
4 h after light	4.775563333333333	4.712219999999999	4.8265400000000005
8 h after light	4.76613	4.589180000000001	5.03429
12 h after light	4.810883333333334	4.62706	5.04434
4 h after dark	4.7498933333333335	4.71039	4.7708699999999995
8 h after dark	4.83056	4.77856	4.87146
12 h after dark	4.762223333333333	4.63111	4.957