Has anybody, by chance, calculated the actual average (mean) interval for Old Faithful Geyser during 2005 (hopefully, for the entire calendar year). If so, also the number of intervals that is based on, and the year's shortest and longest intervals. Thanks. Scott Bryan -------------- next part -------------- An HTML attachment was scrubbed... URL: </geyser-list/attachments/20060310/cc632745/attachment.html>