condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.081444 0.0 0.244332 9 h after light 0.0 0.0 0.0 12 h after light 0.025508 0.0 0.102032 3 h after dark 0.0 0.0 0.0 6 h after dark 0.043659 0.0 0.130977 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0