condition	mean	min	max
1 h after light	17.683213705	17.48510156	17.88132585
3 h after light	16.4106386	15.64425294	17.74916633
5 h after light	17.90745709333333	17.27013426	19.01633265
7 h after light	17.517387266666667	14.26922687	19.76456406
9 h after light	18.501207603333334	16.9577704	19.63483887
11 h after light	16.85949103	16.28985865	17.33804898
13 h after light	18.796047636666668	16.48234622	20.19990653
15 h after light	18.255942123333334	17.41365587	19.52237179
1 h after dark	17.361533833333333	16.85092834	18.34218563
3 h after dark	19.19484493	17.17061467	20.34094142
5 h after dark	19.9855078	18.54148368	21.29935356
7 h after dark	17.928603143333333	17.18810086	18.53594574