condition mean min max 4 h after light 1.092228 0.179646 2.00481 8 h after light 0.9311929999999999 0.880112 0.982274 12 h after light 0.7750775 0.475265 1.07489 4 h after dark 1.8903400000000001 1.58849 2.19219 8 h after dark 0.8594345 0.785532 0.933337 12 h after dark 0.9472225000000001 0.463515 1.43093