condition mean min max 4 h after light 10.513488500000001 10.107654 10.919323 8 h after light 10.683657 9.669046 11.698268 12 h after light 9.858085500000001 9.650615 10.065556 4 h after dark 10.7099695 10.500616 10.919323 8 h after dark 11.949767 11.37032 12.529214 12 h after dark 8.893019 8.893019 8.893019