condition mean min max 4 h after light 0.00309775 0.0 0.0061955 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.0101054 0.0 0.0303162 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0