condition	mean	min	max
4 h after light	43.53388889	36.625	51.45666667
8 h after light	37.56277778	34.765	39.52666667
12 h after light	36.81888888666667	30.14	44.90333333
1.5 h after dark	35.03555555333333	25.64	41.99333333
5.5 h after dark	37.56888889	31.08	46.68
9.5 h after dark	45.29222222333333	38.73	53.85