condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0236228 0.0 0.0708684 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0