condition mean min max 4 h after light 10.7848255 10.740424 10.829227 8 h after light 11.9297135 10.306374 13.553053 12 h after light 11.800246999999999 11.748396 11.852098 4 h after dark 12.6655915 12.101353 13.22983 8 h after dark 12.3779035 11.718788 13.037019 12 h after dark 10.947993 10.947993 10.947993