condition mean min max 4 h after light 4742.6 4742.6 4742.6 8 h after light 4861.9 4600.0 5123.8 12 h after light 3739.25 3090.6 4387.9 4 h after dark 4222.95 2840.6 5605.3 8 h after dark 4689.05 4415.5 4962.6 12 h after dark 4244.1 4112.9 4375.3