condition	mean	min	max
4 h after light	19.4129075	17.613533	21.212282
8 h after light	19.851312	18.160357	21.542267
12 h after light	20.318277000000002	18.782512	21.854042
4 h after dark	27.794656	19.87408	35.715232
8 h after dark	25.5427125	21.776714	29.308711
12 h after dark	19.800992	19.800992	19.800992