condition	mean	min	max
4 h after light	5.759743333333334	5.61057	5.8842
8 h after light	5.783706666666667	5.59285	5.99786
12 h after light	5.580629999999999	5.23361	5.806019999999999
4 h after dark	5.8481966666666665	5.72788	5.91287
8 h after dark	5.90799	5.79553	5.99783
12 h after dark	5.899296666666666	5.82912	5.938219999999999