condition	mean	min	max
4 h after light	13.97715	13.8737	14.0806
8 h after light	3.4592650000000003	3.26388	3.65465
12 h after light	2.1918100000000003	1.5783	2.80532
4 h after dark	6.97923	6.65254	7.21259
8 h after dark	8.816676666666666	8.54688	9.1766
12 h after dark	15.261333333333333	14.3289	16.1972