condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.01812055 0.0 0.0362411 8 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