condition	mean	min	max
4 h after light	4.11253	4.02431	4.20116
8 h after light	4.128586666666667	4.09703	4.1503
12 h after light	4.110293333333334	4.09093	4.1218900000000005
4 h after dark	4.1410100000000005	4.09434	4.19986
8 h after dark	4.115469999999999	4.1005199999999995	4.134469999999999
12 h after dark	4.191816666666667	4.11937	4.26964