condition mean min max 3 h after light 0.599767 0.166154 0.967099 6 h after light 0.672076 0.515945 0.84438 9 h after light 0.4371563333333333 0.232951 0.616814 12 h after light 0.946541 0.751925 1.15171 3 h after dark 2.07701 1.53574 2.8757 6 h after dark 1.1238713333333332 0.622194 1.4409 9 h after dark 1.0714733333333333 0.599425 1.74783 12 h after dark 0.8610245 0.635689 1.08636