Previous Day | Next Day
View as

Logbook View

Castle1455 ie
Corporal 1800
Echinus1329, 1446, 1558
Grand0822, 1625
Great Fountain0931, 1845
Minute 1800
Old Faithful0921, 1013 long, 1139 short, 1227 long, 1337 short, 1439 long, 1547 long
Riverside0548, 1152
Values for Old Faithful Area1975-09-27
Astronomical Twilight Begin05:38
Nautical Twilight Begin06:13
Civil Twilight Begin06:47
Civil Twilight End19:41
Nautical Twilight End20:15
Astronomical Twilight End20:50
Moon Illumination62.7%

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 2011-2020

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.