condition mean min max 3 h after light 0.63605 0.211522 0.938783 6 h after light 0.8418356666666666 0.332862 1.32552 9 h after light 4.934553333333334 4.28591 5.40338 12 h after light 11.841190000000001 8.56107 13.7627 3 h after dark 7.5507 6.99449 8.56393 6 h after dark 4.628683333333334 4.23219 5.23678 9 h after dark 1.248522 0.818616 1.61624 12 h after dark 0.423858 0.284494 0.535363