condition	mean	min	max
4 h after light	6.83281	6.42239	7.24323
8 h after light	6.514620000000001	6.12762	6.90162
12 h after light	7.13031	6.82414	7.43648
4 h after dark	8.299949999999999	7.56849	9.43418
8 h after dark	9.042443333333333	7.34669	9.99862
12 h after dark	8.417063333333333	6.71793	10.6024