condition	mean	min	max
4 h after light	7.417725	7.34857	7.48688
8 h after light	7.04281	6.80658	7.27904
12 h after light	7.37013	7.01156	7.7287
4 h after dark	9.30582	8.45074	10.1609
8 h after dark	9.369050000000001	9.28396	9.45414
12 h after dark	8.400285	8.19355	8.60702