condition mean min max 4 h after light 60.1806435 29.656649 90.704638 8 h after light 87.07434 82.525831 91.622849 12 h after light 84.3933685 71.543444 97.243293 4 h after dark 68.81430850000001 63.365555 74.263062 8 h after dark 69.3046615 53.838557 84.770766 12 h after dark 32.251221 32.251221 32.251221