condition mean min max Dawn 1.71931308425 1.020989632 2.4176365365 Morning 1.32387516975 1.1412342450000001 1.5065160945 Noon 1.1795957860000001 0.931169522 1.42802205 Dusk 0.52140086575 0.496221128 0.5465806034999999 Night 0.86684559475 0.8131690375 0.920522152 Midnight 1.814617924 1.639688445 1.989547403