condition	mean	min	max
4 h after light	37.0542	36.1447	37.9637
8 h after light	46.78555	44.2191	49.352
12 h after light	57.61935	56.5889	58.6498
4 h after dark	67.48325	66.7457	68.2208
8 h after dark	69.4686	67.5624	71.3748
12 h after dark	59.31525	55.8988	62.7317