condition mean min max 0 h after light 5.5417000000000005 4.80381 6.27959 2 h after light 7.98965 7.93581 8.04349 4 h after light 5.67804 5.36913 5.98695 8 h after light 5.411375 5.38629 5.43646 12 h after light 6.8523 6.34107 7.36353 2 h after dark 6.63598 6.35862 6.91334 4 h after dark 4.85807 4.17564 5.5405 8 h after dark 7.720515000000001 7.17851 8.26252 12 h after dark 6.4189 5.93361 6.90419