condition	mean	min	max
4 h after light	7.29439	6.97278	7.65537
8 h after light	7.170893333333334	7.00888	7.39641
12 h after light	7.234993333333334	6.99187	7.45626
4 h after dark	7.07216	6.924580000000001	7.23897
8 h after dark	7.231190000000001	7.177010000000001	7.3323100000000005
12 h after dark	7.610693333333333	7.54207	7.701969999999999