8000 fix table line length, remove #noqa, use grid by mikofski · Pull Request #852 · pvlib/pvlib-python · GitHub
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fix table line length, remove #noqa, use grid #852

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Jan 10, 2020
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fix table line length, remove #noqa, use grid #852

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181 changes: 141 additions & 40 deletions pvlib/iotools/epw.py
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Original file line number Diff line number Diff line change
Expand Up @@ -68,46 +68,147 @@ def read_epw(filename, coerce_year=None):
=============== ====== =========================================


============================= ================================================================================================================================================================================================================== # noqa: E501
EPWData field description
============================= ==================================================================================================================================================================================================================
index A pandas datetime index. NOTE, times are set to local standard time (daylight savings is not included). Days run from 0-23h to comply with PVLIB's convention
year Year, from original EPW file. Can be overwritten using coerce function.
month Month, from original EPW file
day Day of the month, from original EPW file.
hour Hour of the day from original EPW file. Note that EPW's convention of 1-24h is not taken over in the index dataframe used in PVLIB.
minute Minute, from original EPW file. Not used.
data_source_unct Data source and uncertainty flags. See [1]_, chapter 2.13
temp_air Dry bulb temperature at the time indicated, deg C
temp_dew Dew-point temperature at the time indicated, deg C
relative_humidity Relatitudeive humidity at the time indicated, percent
atmospheric_pressure Station pressure at the time indicated, Pa
etr Extraterrestrial horizontal radiation recv'd during 60 minutes prior to timestamp, Wh/m^2
etrn Extraterrestrial normal radiation recv'd during 60 minutes prior to timestamp, Wh/m^2
ghi_infrared Horizontal infrared radiation recv'd during 60 minutes prior to timestamp, Wh/m^2
ghi Direct and diffuse horizontal radiation recv'd during 60 minutes prior to timestamp, Wh/m^2
dni Amount of direct normal radiation (modeled) recv'd during 60 mintues prior to timestamp, Wh/m^2
dhi Amount of diffuse horizontal radiation recv'd during 60 minutes prior to timestamp, Wh/m^2
global_hor_illum Avg. total horizontal illuminance recv'd during the 60 minutes prior to timestamp, lx
direct_normal_illum Avg. direct normal illuminance recv'd during the 60 minutes prior to timestamp, lx
diffuse_horizontal_illum Avg. horizontal diffuse illuminance recv'd during the 60 minutes prior to timestamp, lx
zenith_luminance Avg. luminance at the sky's zenith during the 60 minutes prior to timestamp, cd/m^2
wind_direction Wind direction at time indicated, degrees from north (360 = north; 0 = undefined,calm)
wind_speed Wind speed at the time indicated, meter/second
total_sky_cover Amount of sky dome covered by clouds or obscuring phenonema at time stamp, tenths of sky
opaque_sky_cover Amount of sky dome covered by clouds or obscuring phenonema that prevent observing the sky at time stamp, tenths of sky
visibility Horizontal visibility at the time indicated, km
ceiling_height Height of cloud base above local terrain (7777=unlimited), meter
present_weather_observation Indicator for remaining fields: If 0, then the observed weather codes are taken from the following field. If 9, then missing weather is assumed.
present_weather_codes Present weather code, see [1], chapter 2.9.1.28
precipitable_water Total precipitable water contained in a column of unit cross section from earth to top of atmosphere, cm. Note that some old *_TMY3.epw files may have incorrect unit if it was retrieved from www.energyplus.net.
aerosol_optical_depth The broadband aerosol optical depth per unit of air mass due to extinction by aerosol component of atmosphere, unitless
snow_depth Snow depth in centimeters on the day indicated, (999 = missing data)
days_since_last_snowfall Number of days since last snowfall (maximum value of 88, where 88 = 88 or greater days; 99 = missing data)
albedo The ratio of reflected solar irradiance to global horizontal irradiance, unitless
liquid_precipitation_depth The amount of liquid precipitation observed at indicated time for the period indicated in the liquid precipitation quantity field, millimeter
liquid_precipitation_quantity The period of accumulation for the liquid precipitation depth field, hour
============================= ==================================================================================================================================================================================================================
+-------------------------------+-----------------------------------------+
| EPWData field | description |
+===============================+=========================================+
| index | A pandas datetime index. NOTE, times are|
| | set to local standard time (daylight |
| | savings is not included). Days run from |
| | 0-23h to comply with PVLIB's convention.|
+-------------------------------+-----------------------------------------+
| year | Year, from original EPW file. Can be |
| | overwritten using coerce function. |
+-------------------------------+-----------------------------------------+
| month | Month, from original EPW file. |
+-------------------------------+-----------------------------------------+
| day | Day of the month, from original EPW |
| | file. |
+-------------------------------+-----------------------------------------+
| hour | Hour of the day from original EPW file. |
| | Note that EPW's convention of 1-24h is |
| | not taken over in the index dataframe |
| | used in PVLIB. |
+-------------------------------+-----------------------------------------+
| minute | Minute, from original EPW file. Not |
| | used. |
+-------------------------------+-----------------------------------------+
| data_source_unct | Data source and uncertainty flags. See |
| | [1]_, chapter 2.13 |
+-------------------------------+-----------------------------------------+
| temp_air | Dry bulb temperature at the time |
| | indicated, deg C |
+-------------------------------+-----------------------------------------+
| temp_dew | Dew-point temperature at the time |
| | indicated, deg C |
+-------------------------------+-----------------------------------------+
| relative_humidity | Relative humidity at the time indicated,|
| | percent |
+-------------------------------+-----------------------------------------+
| atmospheric_pressure | Station pressure at the time indicated, |
| | Pa |
+-------------------------------+-----------------------------------------+
| etr | Extraterrestrial horizontal radiation |
| | recv'd during 60 minutes prior to |
| | timestamp, Wh/m^2 |
+-------------------------------+-----------------------------------------+
| etrn | Extraterrestrial normal radiation recv'd|
| | during 60 minutes prior to timestamp, |
| | Wh/m^2 |
+-------------------------------+-----------------------------------------+
| ghi_infrared | Horizontal infrared radiation recv'd |
| | during 60 minutes prior to timestamp, |
| | Wh/m^2 |
+-------------------------------+-----------------------------------------+
| ghi | Direct and diffuse horizontal radiation |
| | recv'd during 60 minutes prior to |
| | timestamp, Wh/m^2 |
+-------------------------------+-----------------------------------------+
| dni | Amount of direct normal radiation |
| | (modeled) recv'd during 60 minutes prior|
| | to timestamp, Wh/m^2 |
+-------------------------------+-----------------------------------------+
| dhi | Amount of diffuse horizontal radiation |
| | recv'd during 60 minutes prior to |
| | timestamp, Wh/m^2 |
+-------------------------------+-----------------------------------------+
| global_hor_illum | Avg. total horizontal illuminance recv'd|
| | during the 60 minutes prior to |
| | timestamp, lx |
+-------------------------------+-----------------------------------------+
| direct_normal_illum | Avg. direct normal illuminance recv'd |
| | during the 60 minutes prior to |
| | timestamp, lx |
+-------------------------------+-----------------------------------------+
| diffuse_horizontal_illum | Avg. horizontal diffuse illuminance |
| | recv'd during the 60 minutes prior to |
| | timestamp, lx |
+-------------------------------+-----------------------------------------+
| zenith_luminance | Avg. luminance at the sky's zenith |
| | during the 60 minutes prior to |
| | timestamp, cd/m^2 |
+-------------------------------+-----------------------------------------+
| wind_direction | Wind direction at time indicated, |
| | degrees from north (360 = north; 0 = |
| | undefined,calm) |
+-------------------------------+-----------------------------------------+
| wind_speed | Wind speed at the time indicated, m/s |
+-------------------------------+-----------------------------------------+
| total_sky_cover | Amount of sky dome covered by clouds or |
| | obscuring phenomena at time stamp, |
| | tenths of sky |
+-------------------------------+-----------------------------------------+
| opaque_sky_cover | Amount of sky dome covered by clouds or |
| | obscuring phenomena that prevent |
| | observing the sky at time stamp, tenths |
| | of sky |
+-------------------------------+-----------------------------------------+
| visibility | Horizontal visibility at the time |
| | indicated, km |
+-------------------------------+-----------------------------------------+
| ceiling_height | Height of cloud base above local terrain|
| | (7777=unlimited), meter |
+-------------------------------+-----------------------------------------+
| present_weather_observation | Indicator for remaining fields: If 0, |
| | then the observed weather codes are |
| | taken from the following field. If 9, |
| | then missing weather is assumed. |
+-------------------------------+-----------------------------------------+
| present_weather_codes | Present weather code, see [1], chapter |
| | 2.9.1.28 |
+-------------------------------+-----------------------------------------+
| precipitable_water | Total precipitable water contained in a |
| | column of unit cross section from earth |
| | to top of atmosphere, cm. Note that some|
| | old *_TMY3.epw files may have incorrect |
| | unit if it was retrieved from |
| | www.energyplus.net. |
+-------------------------------+-----------------------------------------+
| aerosol_optical_depth | The broadband aerosol optical depth per |
| | unit of air mass due to extinction by |
| | aerosol component of atmosphere, |
| | unitless |
+-------------------------------+-----------------------------------------+
| snow_depth | Snow depth in centimeters on the day |
| | indicated, (999 = missing data) |
+-------------------------------+-----------------------------------------+
| days_since_last_snowfall | Number of days since last snowfall |
| | (maximum value of 88, where 88 = 88 or |
| | greater days; 99 = missing data) |
+-------------------------------+-----------------------------------------+
| albedo | The ratio of reflected solar irradiance |
| | to global horizontal irradiance, |
| | unitless |
+-------------------------------+-----------------------------------------+
| liquid_precipitation_depth | The amount of liquid precipitation |
| | observed at indicated time for the |
| | period indicated in the liquid |
| | precipitation quantity field, |
| | millimeter |
+-------------------------------+-----------------------------------------+
| liquid_precipitation_quantity | The period of accumulation for the |
| | liquid precipitation depth field, hour |
+-------------------------------+-----------------------------------------+


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