condition mean min max 4 h after light 11.34925 10.2335 12.465 8 h after light 7.036759999999999 6.7536 7.31992 12 h after light 5.334035 5.17421 5.49386 4 h after dark 8.317276666666666 7.51086 8.91815 8 h after dark 9.81114 8.29938 11.2376 12 h after dark 8.501913333333334 4.97572 11.3346