condition	mean	min	max
4 h after light	12.498063333333334	8.13149	16.132
8 h after light	10.822470000000001	4.03701	17.0684
12 h after light	10.447379999999999	6.07832	16.5219
4 h after dark	10.583843333333334	6.55803	14.5942
8 h after dark	8.074876666666666	6.32614	9.48528
12 h after dark	6.23473	5.1018	7.12246