Previous Day | Next Day
View as

Logbook View

Bear Den0815 A, 1051, 1100
Castle1120, 2102 ie
Dark Cavern 1800
Echinus0915, 1142, 1402, 1628
Grand1010, 1748
Great Fountain0543, 1325
Green Spring1107
Grotto Fountain1136
Hurricane Vent 1800
Old Faithful0103 short, 0148 long, 0311 short, 0401 long, 0519 short, 0609 long, 0727 long, 0838 short, 0923 long, 1038 short, 1129 long, 1253 short, 1337 long, 1452 short, 1551 long, 1710 long, 1820 long, 1930 short, 2039 long, 2159 short, 2242 long
Rediscovered 1800
Riverside1105, 1707
Sawmill1054, 1303
Veteran 0800-1800
West Triplet1748
Values for Old Faithful Area1975-08-06
Astronomical Twilight Begin04:15
Nautical Twilight Begin05:02
Civil Twilight Begin05:42
Civil Twilight End21:15
Nautical Twilight End21:56
Astronomical Twilight End22:42
Moon Illumination2.25%

Webcam Captures

All data is shown in US/Mountain timezone unless specified otherwise. is not affiliated with the National Park Service, but it is "for the benefit and enjoyment of the people".

If you have any questions or comments please contact:

Support open geyser data: Patreon Page

© Copyright 2011-2019

Facebook Page Telegram Channel Get it on Google Play Download on the App Store

Google Play and the Google Play logo are trademarks of Google LLC.

Apple and the Apple logo are trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a service mark of Apple Inc., registered in the U.S. and other countries.