condition mean min max 4 h after light 0.4357975 0.334859 0.536736 8 h after light 0.617328 0.479997 0.754659 12 h after light 0.5037615 0.331346 0.676177 4 h after dark 0.661707 0.632799 0.690615 8 h after dark 0.6054930000000001 0.54704 0.663946 12 h after dark 0.7062634999999999 0.555229 0.857298