condition mean min max 4 h after light 9.853047499999999 9.368883 10.337212 8 h after light 11.1990955 11.100929 11.297262 12 h after light 11.7288305 11.551239 11.906422 4 h after dark 10.1402745 10.097919 10.18263 8 h after dark 11.5624535 10.663368 12.461539 12 h after dark 10.663368 10.663368 10.663368