condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.2007335 0.0 0.401467 8 h after light 0.5903525000000001 0.401079 0.779626 4 h after dark 0.193484 0.0 0.386968 8 h after dark 0.1940255 0.0 0.388051 12 h after dark 0.782675 0.38491 1.18044