condition	mean	min	max
4 h after light	14.745833333333332	13.16528	17.21419
8 h after light	21.182096666666666	16.84804	23.557760000000002
12 h after light	18.91777666666667	14.007270000000002	22.28869
16 h after light	26.524543333333334	24.529020000000003	28.339679999999998
4 h after dark	21.166743333333336	13.657470000000002	26.78637
8 h after dark	16.51767	13.32854	22.00346