condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 1.225705 1.15633 1.29508 12 h after light 4.3791150000000005 3.16341 5.59482 4 h after dark 2.55788 1.84332 3.27244 8 h after dark 0.69077 0.457802 0.923738 12 h after dark 0.4547085 0.0 0.909417