condition mean min max 4 h after light 764.8414700000001 709.143191 820.539749 8 h after light 751.586247 697.478899 805.693595 12 h after light 741.767192 699.08792 784.446464 4 h after dark 859.5753115 792.627447 926.523176 8 h after dark 1158.9548479999999 1048.85675 1269.052946 12 h after dark 849.898055 849.898055 849.898055