I'm having a brain freeze and can't remember what we did last year. Going away for half term in the caravan, daytime temp forecast to be 19-23 degrees, night time 12-13 degrees. Won't use heating so similar temperature to a tent I guess. I have 4.5 tog and 9 tog duvets, plus we have blankets. In summer I just take the 4.5 duvets with option of blankets, is that warm enough this time too? Would rather not take all of them, they take up so much space!