condition mean min max 4 h after light 1.70198 1.59224 1.81172 8 h after light 3.8939500000000002 3.42627 4.36163 12 h after light 4.80309 4.48414 5.12204 4 h after dark 5.9279150000000005 5.72246 6.13337 8 h after dark 4.27656 4.10562 4.4475 12 h after dark 3.25582 3.19855 3.31309