condition mean min max 4 h after light 0.293356 0.2083 0.454985 8 h after light 0.20691433333333334 0.066039 0.395665 12 h after light 0.33085333333333333 0.186932 0.556373 4 h after dark 0.23014 0.15493 0.32843 8 h after dark 0.519468 0.466037 0.550372 12 h after dark 0.5245609999999999 0.14362 0.765649