condition	mean	min	max
4 h after light	4.11359	3.40307	4.82411
8 h after light	2.8763050000000003	2.6991	3.05351
12 h after light	3.025975	2.77017	3.28178
4 h after dark	3.9374199999999995	3.63738	4.23746
8 h after dark	3.27691	3.27055	3.28327
12 h after dark	4.414384999999999	4.19731	4.63146