condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0046097 0.0 0.0138291 12 h after light 0.12777766666666668 0.0 0.258303 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0