condition mean min max 0 h after light 6.88874 6.87066 6.90682 2 h after light 5.50385 5.16742 5.84028 4 h after light 7.41844 7.24162 7.59526 8 h after light 13.76285 12.3246 15.2011 12 h after light 24.5083 22.4545 26.5621 2 h after dark 14.50205 14.2877 14.7164 4 h after dark 12.569749999999999 12.0583 13.0812 8 h after dark 10.439 9.7353 11.1427 12 h after dark 6.656335 6.62606 6.68661