condition	mean	min	max
4 h after light	11.50684	11.378210000000001	11.75986
8 h after light	11.631356666666667	11.442860000000001	11.875110000000001
12 h after light	11.599303333333333	11.46767	11.72644
4 h after dark	11.67576	11.60556	11.77604
8 h after dark	11.642176666666666	11.58189	11.75111
12 h after dark	11.44228	11.27863	11.63777