condition	mean	min	max
4 h after light	5.33202	4.98107	5.68297
8 h after light	4.608805	4.33575	4.88186
12 h after light	5.238015	4.94386	5.53217
4 h after dark	4.237105	4.00968	4.46453
8 h after dark	4.94589	4.80141	5.09037
12 h after dark	5.30818	4.95084	5.66552