condition	mean	min	max
4 h after light	4.14754	3.99974	4.29386
8 h after light	4.105593333333333	4.03675	4.23359
12 h after light	4.134223333333333	4.00234	4.30216
4 h after dark	4.081676666666667	4.0098	4.205419999999999
8 h after dark	4.0047500000000005	3.86049	4.147530000000001
12 h after dark	4.07444	3.93557	4.16714