condition mean min max 4 h after light 11.978 11.76132 12.19704 8 h after light 11.906843333333333 11.663739999999999 12.11111 12 h after light 11.86393 11.65745 12.04284 4 h after dark 11.752113333333334 11.568810000000001 11.92877 8 h after dark 11.742216666666668 11.58806 11.89039 12 h after dark 11.78157 11.61042 11.943