|
Blog Front Page| Frederic | Charting: Seasonal Variations of Temperature (BBT)While mining FertilityFriend.com's abundant data to design new charting tools, I wondered about seasonal variations of the BBT: Would it be possible to see it in the data and what would it look like? To find out I simply calculated the monthly average of all BBT data collected on the site for each month. We have data spanning over more than 10 years, but I just limited the current plot from 2005 to now as it shows clearly the basic pattern.Graph The graph below plots on the vertical axis the average BBT in Fahrenheit (click here for a graph in Celsius) and on the horizontal axis the month. January 2005 is labeled 200501, February 2005, 200502 and so on, up to June 2009 labeled 200906. Click on the graph to see an enlarged version. Description What I found striking is the actual pattern that you can see clearly on the graph. The average is always lower for summer months (dip clearly in July) than for winter months in any given year. The trend over the years seems to be of decreasing BBT. Keep in mind though that these variations are small and would not really affect your chart or its interpretation. feedback I have a few ideas on what would cause such patterns but I think that it would be interesting to see what you (the community) would have to say about it. Please use the feedback link at the bottom of this post to send us your comments/interpretations/theories. I will then post a summary of the discussion.
Update: Follow-up and Feedback Summary
|
Permanent Link: http://www.fertilityfriend.com/blog/posts/218.html
Posted: Jul 09, 2009 2:01pm Eastern Time by Frederic, Founder. FeedbackShare
| NEW: Mini Calendar now displays periods, fertile days and ovulation days predictions [More Details]. |
 | FUN: Test your chart interpretation skills with the Chart Interpretation Game - Play Now |
IMPORTANT: Text, data, graphics, graphs and photos presented on this page are intended for personal use only. Any other usage as well as any derived work (papers, studies, re-prints, reproductions on web sites...) is prohibited without explicit written consent from Tamtris Web Services Inc., owner and operator of FertilityFriend.com.
FertilityFriend.com is a trademark of Tamtris Web Services Inc. All other trademarks are the property of their respective owners.
|
