condition mean min max Dawn 2.87532799525 1.8717905305 3.87886546 Morning 1.89883402375 0.889940935 2.9077271125 Noon 0.8934336455 0.887964387 0.898902904 Dusk 0.6891024612500001 0.60918377 0.7690211525 Night 0.8656585735 0.725392198 1.005924949 Midnight 1.6876763344999999 1.4389408785 1.9364117905