condition	mean	min	max
4 h after light	3.134886	2.841716	3.340899
8 h after light	2.711234	2.46435	3.0683529999999997
12 h after light	6.9733876666666665	5.596302	8.955336
16 h after light	6.549593333333333	4.431556	9.276899
4 h after dark	14.722586666666668	9.48457	18.08857
8 h after dark	7.422996333333334	4.028137999999999	9.764641000000001