condition	mean	min	max
1 h after light	17.12356501	16.47886892	17.7682611
3 h after light	18.16166787	12.48446197	22.755277
5 h after light	17.840406426666668	15.51332401	19.4600072
7 h after light	13.429770379999999	11.316782199999999	16.33718301
9 h after light	18.07590894	16.66617623	19.65983272
11 h after light	17.57745509	13.34313742	19.78242966
13 h after light	20.569415103333334	19.4780764	21.27980146
15 h after light	15.289410603333334	13.1890271	17.38916541
1 h after dark	20.912808043333335	17.98750249	23.53813796
3 h after dark	19.698320903333332	17.38968876	22.94967947
5 h after dark	18.672161526666667	16.7291582	21.19230035
7 h after dark	20.599287753333332	19.59343276	22.56751394