condition	mean	min	max
4 h after light	7.5329025000000005	7.170902	7.894903
8 h after light	7.3312135000000005	7.182614	7.479813
12 h after light	8.435234999999999	7.264253	9.606217
4 h after dark	8.430979	6.801066	10.060892
8 h after dark	8.1336005	7.820455	8.446746
12 h after dark	7.288712	7.288712	7.288712