condition	mean	min	max
4 h after light	11.6507	11.4862	11.8152
8 h after light	17.36425	16.501	18.2275
12 h after light	34.87695	33.9972	35.7567
4 h after dark	45.5951	44.1117	47.0785
8 h after dark	39.77555	38.4774	41.0737
12 h after dark	25.0205	23.6544	26.3866