Old Faithful Geyser Summary 2008
From 01-Jan-08 to 31-Dec-08
% Long Intervals 97.77% 97.10% 98.08%
Statistics Year to date Last Month Last Week
All Intervals 5660 483 104
Minimum 0:52:00 0:53:00 0:54:00
1st quartile 1:28:00 1:27:00 1:28:00
Mean 1:32:03 1:31:16 1:31:53
Median 1:32:00 1:31:00 1:33:00
3rd quartile 1:37:00 1:36:00 1:37:00
Maximum 2:00:00 1:52:00 1:49:00
Std. Dev. 0:07:31 0:07:39 0:07:59
Coef. Of Var. 8.16% 8.38% 8.70%
Statistics Year to date Last Month Last Week
Long Intervals 5534 469 102
Minimum 1:15:00 1:18:00 1:19:00
1st quartile 1:28:00 1:28:00 1:28:00
Mean 1:32:03 1:31:16 1:31:53
Median 1:32:00 1:31:00 1:33:00
3rd quartile 1:37:00 1:36:00 1:37:00
Maximum 2:00:00 1:52:00 1:49:00
Std. Dev. 0:06:22 0:06:09 0:06:21
Coef. Of Var. 6.86% 6.69% 6.86%
Statistics Year to date Last Month Last Week
Short Intervals 126 14 2
Minimum 0:52:00 0:53:00 0:54:00
1st quartile 1:01:15 1:00:15 0:55:30
Mean 1:05:26 1:05:17 0:57:00
Median 1:05:30 1:04:30 0:57:00
3rd quartile 1:10:00 1:13:00 0:58:30
Maximum 1:14:00 1:14:00 1:00:00
Std. Dev. 0:05:46 0:07:35 --
Coef. Of Var. 8.82% 11.63% --
Prediction Results - Long Intervals
  Year to date Last Month Last Week
Early 2.1% 2.1% 4.9%
In Window 87.5% 89.6% 88.2%
Late 10.4% 8.3% 6.9%
Gap from 1808 on 24 May to 0922 on 27 May
Gap from 2200 29 Dec to 0600 30 December due to ice