# Export monthly data from openHistorian with one day frequency

**URL:** <http://discussions.gridprotectionalliance.org/t/export-monthly-data-from-openhistorian-with-one-day-frequency/905>\
**Category:** openHistorian\
**Created:** [June 3, 2021, 5:41am UTC](http://discussions.gridprotectionalliance.org/t/export-monthly-data-from-openhistorian-with-one-day-frequency/905 "2021-06-03T05:41:39Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Datta](http://discussions.gridprotectionalliance.org/letter_avatar_proxy/v4/letter/d/50afbb/32.png) [@Datta](http://discussions.gridprotectionalliance.org/u/Datta)\
**Post date:** [June 3, 2021, 5:41am UTC](http://discussions.gridprotectionalliance.org/t/export-monthly-data-from-openhistorian-with-one-day-frequency/905/1 "2021-06-03T05:41:39Z")

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Hi Ritchie,  
Is it possible to download monthly data for a measurement with samples of 1 day?  
Thanks,  
Datta

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**Author:** ![Datta](http://discussions.gridprotectionalliance.org/letter_avatar_proxy/v4/letter/d/50afbb/32.png) [@Datta](http://discussions.gridprotectionalliance.org/u/Datta)\
**Post date:** [June 3, 2021, 6:54am UTC](http://discussions.gridprotectionalliance.org/t/export-monthly-data-from-openhistorian-with-one-day-frequency/905/2 "2021-06-03T06:54:44Z")

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Or can we somehow extract every 1 hour of data using the openHistorian python API?

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**Author:** ![ritchiecarroll](http://discussions.gridprotectionalliance.org/user_avatar/discussions.gridprotectionalliance.org/ritchiecarroll/32/2_2.png) [@ritchiecarroll](http://discussions.gridprotectionalliance.org/u/ritchiecarroll)\
**Post date:** [June 4, 2021, 7:10am UTC](http://discussions.gridprotectionalliance.org/t/export-monthly-data-from-openhistorian-with-one-day-frequency/905/3 "2021-06-04T07:10:12Z")

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Use `CreateFromRangeInterval` instead of `CreateFromRange`

> <https://github.com/GridProtectionAlliance/openhistorian-python/blob/main/src/snapDB/timestampSeekFilter.py#L97>