condition mean min max 4 h after light 4.6851 4.56056 4.80964 8 h after light 5.05042 4.79328 5.30756 12 h after light 4.85062 4.64768 5.05356 4 h after dark 4.35383 3.62402 5.17152 8 h after dark 4.336603333333334 3.92747 5.01731 12 h after dark 4.934843333333333 4.57296 5.11593