condition mean min max 0 h after light 0.40804050000000003 0.230183 0.585898 4 h after light 0.7823505 0.616874 0.947827 8 h after light 0.6630115000000001 0.590546 0.735477 4 h after dark 0.566194 0.399535 0.732853 8 h after dark 0.8278749999999999 0.745234 0.910516 12 h after dark 0.4262625 0.392741 0.459784