condition mean min max 0 h after light 39.06335 36.6915 41.4352 4 h after light 39.33525 39.2453 39.4252 8 h after light 38.63925 36.0806 41.1979 4 h after dark 43.93365 43.8523 44.015 8 h after dark 41.79275 40.2978 43.2877 12 h after dark 43.9962 40.4175 47.5749