condition	mean	min	max
4 h after light	7.030555	6.46103	7.60008
8 h after light	6.577735	6.54057	6.6149
12 h after light	8.088015	8.01735	8.15868
4 h after dark	9.8281	9.0206	10.6356
8 h after dark	8.848424999999999	8.43525	9.2616
12 h after dark	8.565750000000001	8.22343	8.90807