condition mean min max 0 h after light 0.434121 0.347668 0.520574 4 h after light 0.8055785 0.727114 0.884043 8 h after light 0.49853000000000003 0.353275 0.643785 4 h after dark 0.8536315000000001 0.769935 0.937328 8 h after dark 0.6430359999999999 0.517021 0.769051 12 h after dark 0.7289395 0.678067 0.779812