condition	mean	min	max
0 h after light	5.68907	4.66305	6.71509
4 h after light	4.32243	3.44813	5.19673
8 h after light	2.7746	2.52168	3.02752
4 h after dark	4.805405	4.00724	5.60357
8 h after dark	5.909565	5.74065	6.07848
12 h after dark	4.89236	4.80231	4.98241