condition	mean	min	max
4 h after light	7.54	7.2374	7.8426
8 h after light	19.403950000000002	18.8699	19.938
12 h after light	12.8464	12.0699	13.6229
4 h after dark	20.5448	17.0826	23.0366
8 h after dark	24.3084	22.3034	25.6427
12 h after dark	8.291153333333334	6.30088	9.77299