condition mean min max 0 h after light 0.978655 0.8397 1.11761 4 h after light 0.6979015 0.569379 0.826424 8 h after light 0.8392605 0.711034 0.967487 4 h after dark 3.64512 2.60687 4.68337 8 h after dark 1.3123049999999998 1.24873 1.37588 12 h after dark 1.313215 1.09179 1.53464