condition	mean	min	max
4 h after light	16.407400000000003	14.8306	17.9842
8 h after light	12.15505	11.8414	12.4687
12 h after light	18.309350000000002	18.012	18.6067
4 h after dark	26.097766666666665	24.4345	27.1286
8 h after dark	25.7588	25.0305	26.277
12 h after dark	24.307266666666667	21.1399	27.8693