condition mean min max 4 h after light 32.15935 30.5712 33.7475 8 h after light 30.3378 30.2039 30.4717 12 h after light 33.3162 31.9932 34.6392 4 h after dark 36.4757 35.9302 37.0212 8 h after dark 38.22225 38.0099 38.4346 12 h after dark 38.870999999999995 37.6909 40.0511