condition mean min max Dawn 0.74674339225 0.185809898 1.3076768865 Morning 0.2991129635 0.2720858315 0.3261400955 Noon 0.7098493369999999 0.5211870989999999 0.8985115749999999 Dusk 0.6782470352500001 0.571750836 0.7847432345 Night 0.62152077575 0.436605988 0.8064355635 Midnight 0.98391362125 0.6262021325 1.34162511