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Update snow events parameter docs for Townsend snow loss model #1840

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Merged
merged 4 commits into from
Aug 24, 2023
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Update snow events parameter docs for Townsend snow loss model #1840

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603c4e7
Update snow events definition for Townsend model
cpr-aturabi Aug 22, 2023
bbc4414
Update whatsnew
cpr-aturabi Aug 22, 2023
c5e2b04
Merge branch 'main' into main
aturabi Aug 22, 2023
aaee0de
Add note on origin of new definition
cpr-aturabi Aug 22, 2023
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5 changes: 4 additions & 1 deletion docs/sphinx/source/whatsnew/v0.10.2.rst
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Expand Up @@ -39,7 +39,9 @@ Documentation
(:issue:`1741`, :pull:`1833`)
* Fix error in :py:func:`pvlib.iotools.get_pvgis_hourly` documentation of `surface_azimuth`.
(:issue:`1724`, :pull:`1838`)

* Update definition of snow events parameter for :py:func:`pvlib.snow.loss_townsend`.
(:issue:`1839`, :pull:`1840`)

Requirements
~~~~~~~~~~~~

Expand All @@ -51,3 +53,4 @@ Contributors
* Taos Transue (:ghuser:`reepoi`)
* NativeSci (:ghuser:`nativesci`)
* Lukas Grossar (:ghuser:`tongpu`)
* Areeba Turabi (:ghuser:`aturabi`)
6 changes: 4 additions & 2 deletions pvlib/snow.py
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Expand Up @@ -230,8 +230,10 @@ def loss_townsend(snow_total, snow_events, surface_tilt, relative_humidity,
Snow received each month. Referred to as S in [1]_. [cm]

snow_events : array-like
Number of snowfall events each month. May be int or float type for
the average events in a typical month. Referred to as N in [1]_.
Number of snowfall events each month. Snow events are defined as days
in the month that have snowfall greater than 1 inch. May be int or
float type for the average events in a typical month. Referred to as N
in [1]_.

surface_tilt : float
Tilt angle of the array. [deg]
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