condition	mean	min	max
4 h after light	3.6064550000000004	2.78898	4.42393
8 h after light	3.86123	3.53184	4.19062
12 h after light	6.66864	6.21855	7.11873
4 h after dark	4.7832566666666665	4.1497	5.67401
8 h after dark	4.41949	3.8092	4.96391
12 h after dark	4.141823333333333	3.43221	5.07332