if t <= -23:
            c = "13"
        elif t > -23 and t <= -12:
            c = "06"
        elif t > -12 and t <= -7:
            c = "12"
        elif t > -7 and t <= -1:
            c = "11"
        elif t > -1 and t <= 4:
            c = "03"
        elif t > 4 and t <= 10:
            c = "09"
        elif t > 10 and t <= 16:
            c = "08"
        elif t > 16 and t <= 27:
            c = "07"
        elif t > 27 and t <= 32:
            c = "04"
        elif t > 32 and t <= 40:
            c = "04"
        else:
            c = "05"