condition mean min max 0 h after light 3.2389799999999997 3.03926 3.4387 4 h after light 3.743535 3.6797 3.80737 8 h after light 4.754675 4.70489 4.80446 4 h after dark 7.00229 6.88292 7.12166 8 h after dark 4.579955 4.47233 4.68758 12 h after dark 3.7752499999999998 3.46367 4.08683