How much does the wind chill matter when looking at the rating of your sleeping bag?I was finally able to try out my 10F EE Quit this past weekend and it got really windy.I went with the Outdoor programs at my school so I had to use their tent. Some how the fly blew off twice during the night and it was pretty much a open screen tent underneath.I'd say it got down to at least 20F before wind chill. Low said 17F looking online, but we were in a valley near a river, so not sure how much that would affect it. A cold front was coming in that night so it was fairly windy (5-25mph winds almost all night I would say.)Long story short, I wasn't cold, but wasn't warm either. You think it was the wind that made me feel slightly cold in my quilt?
Edited by Mechrock on 03/08/2013 07:56:31 MST.
Indeed. The convective heat loss can be significant with cold wind. A bivy may have solved this issue or a shell made of wind proof fabric (Windstopper). Or a tent/tarp.
Everything you mentioned affects warmth:windloss of flynetting tent instead of solid fabricvalley (cold air settles in low spots)river (humidity makes it feel colder)Replacing the fly a couple of times might have warmed you up a bit from the activity.
What Daryl and David said. Rocco, in my experience, the EE quilts are very conservative in their temp rating, so you being a little chilled isn't the quilt, but the way it was used: wind, loss of fly, etc, etc...Also, what was your sleeping pad?
If there is any forced (wind driven) airflow against/accross your sleeping bag than yes.Will be worse the more breathable you shell is.
I wasn't actually the one to go out and put back on the tent fly. Yeah, I was for sure warmer in the quilt than I was in my old 15F Big Agnes Grouse Down bag. Also, now that I think about it, I think my old tent (Copper Spur 2) was warmer than when I started using my Tarptent Contrail.
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