condition	mean	min	max
4 h after light	4.1186300000000005	4.07722	4.15028
8 h after light	4.09168	4.004980000000001	4.15385
12 h after light	4.254553333333333	4.10835	4.4382
4 h after dark	4.366896666666666	4.13663	4.66426
8 h after dark	4.223003333333334	4.14504	4.31438
12 h after dark	4.2414499999999995	4.131869999999999	4.39024