condition	mean	min	max
4 h after light	7.216803333333333	6.81567	7.4197
8 h after light	7.281723333333333	7.035139999999999	7.5148
12 h after light	6.3378033333333335	6.11285	6.5327
4 h after dark	7.32683	6.69712	7.67213
8 h after dark	7.6493400000000005	7.095289999999999	8.1408
12 h after dark	8.243423333333332	7.8440199999999995	8.644810000000001