condition mean min max 3 h after light 6.42869 5.65199 7.20571 6 h after light 4.47756 3.56015 5.73214 9 h after light 3.3682766666666666 2.65031 4.18595 12 h after light 5.1520025 3.98768 7.64737 3 h after dark 15.208833333333335 11.164 20.6304 6 h after dark 9.82177 8.34078 12.4617 9 h after dark 9.909296666666666 9.32356 10.5968 12 h after dark 7.68511 7.14245 8.22777