condition mean min max 4 h after light 85.218806 83.146499 87.291113 8 h after light 216.7259395 114.115296 319.336583 12 h after light 499.116795 325.689464 672.544126 4 h after dark 185.0652675 155.096841 215.033694 8 h after dark 319.71871999999996 297.696615 341.740825 12 h after dark 75.474821 75.474821 75.474821