condition	mean	min	max
4 h after light	34.67545	34.532	34.8189
8 h after light	19.9914	19.5475	20.4353
12 h after light	18.17725	17.6334	18.7211
4 h after dark	22.36625	21.8842	22.8483
8 h after dark	26.0925	25.5914	26.5936
12 h after dark	32.63935	32.2761	33.0026