condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.14964766666666665 0.0 0.232641 9 h after light 0.0 0.0 0.0 12 h after light 0.11333325 0.0 0.239909 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.22812333333333334 0.0 0.68437 12 h after dark 0.262136 0.0 0.524272