condition mean min max 3 h after light 3.8587433333333334 3.12284 5.2297 6 h after light 8.62922 5.84698 13.7162 9 h after light 14.175876666666666 7.02491 25.6911 12 h after light 17.0693 11.9667 22.9021 3 h after dark 14.688600000000001 10.2703 20.5854 6 h after dark 4.43581 3.78582 5.02108 9 h after dark 2.207543 0.963789 4.44792 12 h after dark 1.282502 0.620461 2.34462