condition mean min max 4 h after light 2.33943 1.29842 3.38044 8 h after light 2.036775 1.94369 2.12986 12 h after light 2.22627 1.43127 3.02127 4 h after dark 2.3222300000000002 1.62648 3.01798 8 h after dark 2.399975 2.34231 2.45764 12 h after dark 2.480495 2.14036 2.82063