condition	mean	min	max
3 h after light	9.587953333333333	8.95561	9.91773
6 h after light	8.484919999999999	7.3335	9.72383
9 h after light	6.497310000000001	6.0197	7.06906
12 h after light	8.1918825	6.8517	10.6668
3 h after dark	13.07678	9.86984	14.8364
6 h after dark	19.5432	18.4741	21.5339
9 h after dark	16.5852	14.4707	18.007
12 h after dark	8.880875	7.50245	10.2593