condition mean min max 3 h after light 0.547216 0.364227 0.667652 6 h after light 0.437281 0.321029 0.587989 9 h after light 0.936199 0.504389 1.42064 12 h after light 1.11244375 0.667692 2.13811 3 h after dark 0.625983 0.506193 0.782453 6 h after dark 0.6283553333333334 0.418752 0.763645 9 h after dark 0.37000133333333335 0.296252 0.477043 12 h after dark 1.1012125 0.940215 1.26221