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Added OpenMeteo Data Fetcher for gridded weather data #204

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Added OpenMeteo Data Fetcher for gridded weather data #204

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Openmeteo data integration
Sidharth1743 Jan 16, 2026
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[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Jan 16, 2026
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1 change: 1 addition & 0 deletions graph_weather/data/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,4 +2,5 @@

from .anemoi_dataloader import AnemoiDataset
from .nnja_ai import SensorDataset
from .openmeteo_fetcher import OpenMeteoWeatherDataFetcher
from .weather_station_reader import WeatherStationReader
74 changes: 74 additions & 0 deletions graph_weather/data/const.py
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Expand Up @@ -6117,3 +6117,77 @@
"mean_sea_level_pressure": 394.80682,
"total_precipitation_12hr": 0.0017966998,
}

# OpenMeteo variable normalization statistics
# Based on typical global ranges for common meteorological variables
OPENMETEO_MEANS = {
"temperature_2m": 15.0, # Celsius, global mean ~15C
"relative_humidity_2m": 70.0, # Percent
"dew_point_2m": 10.0, # Celsius
"apparent_temperature": 15.0, # Celsius
"pressure_msl": 1013.25, # hPa
"surface_pressure": 985.0, # hPa
"cloud_cover": 50.0, # Percent
"cloud_cover_low": 30.0, # Percent
"cloud_cover_mid": 25.0, # Percent
"cloud_cover_high": 30.0, # Percent
"wind_speed_10m": 5.0, # m/s
"wind_speed_100m": 8.0, # m/s
"wind_direction_10m": 180.0, # degrees
"wind_direction_100m": 180.0, # degrees
"wind_gusts_10m": 8.0, # m/s
"precipitation": 0.1, # mm/h
"rain": 0.08, # mm/h
"snowfall": 0.02, # cm/h
"snow_depth": 5.0, # cm
"weather_code": 50.0, # WMO code
"shortwave_radiation": 200.0, # W/m^2
"direct_radiation": 150.0, # W/m^2
"diffuse_radiation": 80.0, # W/m^2
"direct_normal_irradiance": 200.0, # W/m^2
"terrestrial_radiation": 350.0, # W/m^2
"et0_fao_evapotranspiration": 0.15, # mm/h
"vapour_pressure_deficit": 0.8, # kPa
"soil_temperature_0_to_7cm": 15.0, # Celsius
"soil_temperature_7_to_28cm": 14.0, # Celsius
"soil_temperature_28_to_100cm": 13.0, # Celsius
"soil_moisture_0_to_7cm": 0.3, # m^3/m^3
"soil_moisture_7_to_28cm": 0.3, # m^3/m^3
"soil_moisture_28_to_100cm": 0.3, # m^3/m^3
}

OPENMETEO_STD = {
"temperature_2m": 20.0, # Celsius
"relative_humidity_2m": 20.0, # Percent
"dew_point_2m": 15.0, # Celsius
"apparent_temperature": 22.0, # Celsius
"pressure_msl": 15.0, # hPa
"surface_pressure": 50.0, # hPa
"cloud_cover": 35.0, # Percent
"cloud_cover_low": 35.0, # Percent
"cloud_cover_mid": 30.0, # Percent
"cloud_cover_high": 35.0, # Percent
"wind_speed_10m": 4.0, # m/s
"wind_speed_100m": 5.0, # m/s
"wind_direction_10m": 100.0, # degrees
"wind_direction_100m": 100.0, # degrees
"wind_gusts_10m": 6.0, # m/s
"precipitation": 1.0, # mm/h
"rain": 0.8, # mm/h
"snowfall": 0.3, # cm/h
"snow_depth": 20.0, # cm
"weather_code": 30.0, # WMO code
"shortwave_radiation": 280.0, # W/m^2
"direct_radiation": 220.0, # W/m^2
"diffuse_radiation": 100.0, # W/m^2
"direct_normal_irradiance": 300.0, # W/m^2
"terrestrial_radiation": 50.0, # W/m^2
"et0_fao_evapotranspiration": 0.15, # mm/h
"vapour_pressure_deficit": 1.0, # kPa
"soil_temperature_0_to_7cm": 12.0, # Celsius
"soil_temperature_7_to_28cm": 10.0, # Celsius
"soil_temperature_28_to_100cm": 8.0, # Celsius
"soil_moisture_0_to_7cm": 0.15, # m^3/m^3
"soil_moisture_7_to_28cm": 0.12, # m^3/m^3
"soil_moisture_28_to_100cm": 0.10, # m^3/m^3
}
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