condition	mean	min	max
1 h after light	17.47518712666667	16.19792785	19.38366947
3 h after light	14.296437249999999	12.01218494	16.77997412
5 h after light	15.805549523333333	13.71615892	17.8934031
7 h after light	16.59541588	13.30298321	20.44429597
9 h after light	15.40332637	11.00264835	19.51368792
11 h after light	16.964032256666666	14.85159069	20.17313926
13 h after light	18.59794553	15.47490533	22.83608436
15 h after light	16.858124696666664	15.96831106	17.58638778
1 h after dark	15.335679563333333	13.49169731	17.42296494
3 h after dark	14.050569756666667	12.33587677	16.68436898
5 h after dark	17.55654236	11.82241946	23.00877127
7 h after dark	18.4499034	17.78705651	19.42817957