condition	mean	min	max
4 h after light	22.59055	22.5027	22.6784
8 h after light	16.1888	14.0036	18.374
12 h after light	19.9527	19.0767	20.8287
4 h after dark	47.5299	39.6853	55.3745
8 h after dark	28.23855	24.4373	32.0398
12 h after dark	25.82285	25.4483	26.1974