First overflow about 4 hours the previous eruption is normal, and unchanged. I'd asked (off list) about this earlier this season and was told that this time-to-overflow was unchanged, despite the ridiculously short intervals. Scott Bryan In a message dated 10/3/2012 6:05:27 P.M. US Mountain Standard Time, dmonteit at comcast.net writes: The other thing I wanted to check on was how long it took Grand to reach overflow with these much shortened and reliable intervals. I have heard that it usually took Grand 5 hours to reach overflow. The only one I checked was on October 1. Grand erupted at 8:48 and the overflow out the front started at 12:51...just over 4 hours later. The subsequent eruption was at 14:39. Sorry I didn't get any more data, hopefully we can get a few more data points before the season ends. -------------- next part -------------- An HTML attachment was scrubbed... URL: </geyser-list/attachments/20121004/ef72df32/attachment.html>