condition	mean	min	max
4 h after light	17.5820595	15.14374	20.020379
8 h after light	22.2963355	18.535129	26.057542
12 h after light	27.769184	24.586477	30.951891
4 h after dark	32.510459	29.039157	35.981761
8 h after dark	35.932503	35.393985	36.471021
12 h after dark	24.785192	24.785192	24.785192