condition mean min max 0 h after light 8.560415 8.31755 8.80328 2 h after light 15.78895 15.535 16.0429 4 h after light 20.7203 19.5306 21.91 8 h after light 23.927300000000002 23.4056 24.449 12 h after light 35.19745 33.5941 36.8008 2 h after dark 33.455799999999996 26.9724 39.9392 4 h after dark 22.15885 21.2522 23.0655 8 h after dark 13.8011 12.7458 14.8564 12 h after dark 11.01295 10.4795 11.5464