condition mean min max 0 h after light 3.627595 3.31301 3.94218 2 h after light 1.833745 1.13144 2.53605 4 h after light 1.0139395 0.994579 1.0333 8 h after light 1.474205 1.24417 1.70424 12 h after light 2.0506349999999998 1.43685 2.66442 2 h after dark 3.01851 2.78126 3.25576 4 h after dark 3.1789300000000003 2.67765 3.68021 8 h after dark 3.74768 3.43022 4.06514 12 h after dark 3.975845 3.77759 4.1741