condition mean min max 0 h after light 2.80292 2.1439 3.46194 2 h after light 0.60174 0.0 1.20348 4 h after light 0.0 0.0 0.0 8 h after light 0.55142 0.0 1.10284 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.58136 0.0 1.16272 12 h after dark 2.22281 1.14425 3.30137