condition	mean	min	max
4 h after light	20.25145	19.7795	20.7234
8 h after light	19.068399999999997	18.13	20.0068
12 h after light	15.54005	15.4388	15.6413
4 h after dark	20.432000000000002	19.2944	21.5696
8 h after dark	18.60995	17.9445	19.2754
12 h after dark	16.25745	15.0062	17.5087