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Long Range Hunting & Shooting
Choosing an average elevation for my Leupold CDS
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<blockquote data-quote="SBruce" data-source="post: 449489" data-attributes="member: 21068"><p>50 Degrees is probably a good average, at least it would be where I hunt deer/antelope in eastern Wyoming during October. Some years will be 60-70 degrees mid-day, others will be 25-35 mid-day. Temp doesn't vary with altitude a whole lot during the early season here. In other words, If I were to go northeast and climb 3000'......the mid-day temp doesn't change by more than about 10 degrees usually.</p><p> </p><p>You mention a 5 to 10K elevation...........I am assuming that the majority of your hunting is more likely around 6 to 8 K.??</p><p> </p><p>If I am assuming correctly, the 7K average will do you good for most situations.</p><p> </p><p>Based on the bullet/velocity you mentioned, a 2K elevation difference will theoretically yield a 3/4 to 1 minute change at 1000 yds, where a 20 degree temp change will theoretically yield a 1/4 to 1/2 minute change at 1000 yds.</p><p> </p><p>Again this is in theory and based on ballistic programs. But if you pick a <strong>realistic </strong>average, then you'll be able to figure a variance for higher/lower and colder/warmer than your average and allow for this when shooting.</p><p> </p><p>Best O Luck</p></blockquote><p></p>
[QUOTE="SBruce, post: 449489, member: 21068"] 50 Degrees is probably a good average, at least it would be where I hunt deer/antelope in eastern Wyoming during October. Some years will be 60-70 degrees mid-day, others will be 25-35 mid-day. Temp doesn't vary with altitude a whole lot during the early season here. In other words, If I were to go northeast and climb 3000'......the mid-day temp doesn't change by more than about 10 degrees usually. You mention a 5 to 10K elevation...........I am assuming that the majority of your hunting is more likely around 6 to 8 K.?? If I am assuming correctly, the 7K average will do you good for most situations. Based on the bullet/velocity you mentioned, a 2K elevation difference will theoretically yield a 3/4 to 1 minute change at 1000 yds, where a 20 degree temp change will theoretically yield a 1/4 to 1/2 minute change at 1000 yds. Again this is in theory and based on ballistic programs. But if you pick a [B]realistic [/B]average, then you'll be able to figure a variance for higher/lower and colder/warmer than your average and allow for this when shooting. Best O Luck [/QUOTE]
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Choosing an average elevation for my Leupold CDS
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