condition mean min max 0 h after light 5.91604 5.30376 6.52832 4 h after light 3.506285 3.24482 3.76775 8 h after light 3.3317050000000004 2.7734 3.89001 4 h after dark 4.056335 3.04944 5.06323 8 h after dark 6.08489 5.52787 6.64191 12 h after dark 5.902825 5.40536 6.40029