condition	mean	min	max
4 h after light	60.4509	50.1849	70.7169
8 h after light	40.599599999999995	40.1402	41.059
12 h after light	31.71875	30.8184	32.6191
4 h after dark	30.9893	30.8542	31.1244
8 h after dark	47.86555	46.2183	49.5128
12 h after dark	67.95085	62.8694	73.0323