condition mean min max 4 h after light 6.713395 5.98188 7.44491 8 h after light 6.166895 5.80862 6.52517 12 h after light 5.082895 3.83158 6.33421 4 h after dark 6.323060000000001 5.16645 8.01274 8 h after dark 8.823573333333334 8.21945 9.54883 12 h after dark 6.665066666666666 5.61128 7.23152