condition	mean	min	max
4 h after light	8.601755	8.42562	8.77789
8 h after light	4.4209	3.83447	5.00733
12 h after light	2.181255	2.05273	2.30978
4 h after dark	3.934493333333333	2.35289	5.33222
8 h after dark	5.443183333333334	5.34356	5.4968
12 h after dark	8.851469999999999	7.3907	10.577