condition mean min max 3 h after light 0.621937 0.288835 1.09774 7 h after light 0.91869175 0.398199 1.60364 11 h after light 0.6801608333333333 0.464287 0.975564 2 h after dark 1.06598775 0.640928 2.24456 6 h after dark 1.2813800833333333 0.354637 2.3235 10 h after dark 1.0000360833333333 0.178624 2.53951