condition mean min max 0 h after light 0.573056 0.508879 0.637233 4 h after light 1.089245 0.75259 1.4259 8 h after light 0.704985 0.503457 0.906513 4 h after dark 0.6886835 0.624729 0.752638 8 h after dark 0.251119 0.126351 0.375887 12 h after dark 0.8796550000000001 0.869969 0.889341