condition	mean	min	max
4 h after light	9.58722	7.07834	12.0961
8 h after light	6.88129	5.72134	8.04124
12 h after light	15.2634	11.8057	18.7211
4 h after dark	13.641549999999999	13.3342	13.9489
8 h after dark	9.298839999999998	8.73772	9.85996
12 h after dark	9.186335	7.67587	10.6968