condition mean min max 4 h after light 3.2179066666666665 3.140669 3.297282 8 h after light 2.372977333333333 1.49244 2.822406 12 h after light 1.5832863333333334 1.443263 1.7358069999999999 16 h after light 3.1226819999999997 2.556873 3.701018 4 h after dark 2.619337 2.3649169999999997 3.0569319999999998 8 h after dark 1.6544746666666665 1.586519 1.7269869999999998