condition mean min max 3 h after light 0.04335633333333333 0.0 0.130069 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.050916333333333334 0.0 0.152749 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0