- Driest month
- December — In Udon Thani province
- Source: Open-Meteo (ERA5 reanalysis, via archive-api.open-meteo.com) · License: CC BY 4.0 (Attribution 4.0 International) -- https://open-meteo.com/en/licence · 1991-01-01 to 2020-12-31
- Climate rainfall annual total mean mm
- 1,572.7 mm — In Udon Thani province
- Source: Open-Meteo (ERA5 reanalysis, via archive-api.open-meteo.com) · License: CC BY 4.0 (Attribution 4.0 International) -- https://open-meteo.com/en/licence · 1991-01-01 to 2020-12-31
- Wettest month
- August — In Udon Thani province
- Source: Open-Meteo (ERA5 reanalysis, via archive-api.open-meteo.com) · License: CC BY 4.0 (Attribution 4.0 International) -- https://open-meteo.com/en/licence · 1991-01-01 to 2020-12-31
- PM10, annual average
- 35.4 µg/m³ — In Udon Thani province
- Source: OpenAQ — Nong Bua Lamphu Provincial Administrative Organization-1963910 (reference), 1.5 km away · License: Open Data Common (Pollution Control Department) · 2025-01-01 to 2026-01-01
- PM2.5, annual average
- 22.9 µg/m³ — In Udon Thani province
- Source: OpenAQ — Nong Bua Lamphu Provincial Administrative Organization-1963910 (reference), 1.5 km away · License: Open Data Common (Pollution Control Department) · 2025-01-01 to 2026-01-01
- Share of 10-day periods with rainfall deficit (10-year)
- 9.4% — In Mueang Udon Thani district
- Source: Climate Hazards Center UC Santa Barbara & WFP -- Thailand: Rainfall Indicators at Subnational Level (HDX) · License: CC BY (Creative Commons Attribution International) · 2016-01-01 to 2025-12-31
- Worst 3-month rainfall deficit (10-year)
- 27% — In Mueang Udon Thani district
- Source: Climate Hazards Center UC Santa Barbara & WFP -- Thailand: Rainfall Indicators at Subnational Level (HDX) · License: CC BY (Creative Commons Attribution International) · 2016-01-01 to 2025-12-31
- Recent 3-month rainfall vs. normal
- 95.1% — In Mueang Udon Thani district
- Source: Climate Hazards Center UC Santa Barbara & WFP -- Thailand: Rainfall Indicators at Subnational Level (HDX) · License: CC BY (Creative Commons Attribution International) · 2026-07-01 to 2026-09-21
- Height above nearest drainage (typical)
- 8 m — In Ban Chan subdistrict
- Source: Terrain-derived flash-flood indicators (HAND + slope + OSM drainage proximity; NOT a forecast or probability, not calibrated against observed events) from Copernicus DEM GLO-30 (via Mapterhorn terrain tiles) and OpenStreetMap waterway data. The banded metric flags whether the region CONTAINS terrain susceptible to flash flooding somewhere within it -- not the susceptibility of the region as a whole, and not of any individual property. · License: Copernicus WorldDEM-30 Licence, commercial use permitted (see ./region-elevation.ts's ELEVATION_SOURCE_LICENSE for the full citation) combined with OpenStreetMap contributors: ODbL 1.0 (https://www.openstreetmap.org/copyright) · 2010-12-12 to 2015-01-07
- Height above nearest drainage (lowest 10%)
- 1.3 m — In Ban Chan subdistrict
- Source: Terrain-derived flash-flood indicators (HAND + slope + OSM drainage proximity; NOT a forecast or probability, not calibrated against observed events) from Copernicus DEM GLO-30 (via Mapterhorn terrain tiles) and OpenStreetMap waterway data. The banded metric flags whether the region CONTAINS terrain susceptible to flash flooding somewhere within it -- not the susceptibility of the region as a whole, and not of any individual property. · License: Copernicus WorldDEM-30 Licence, commercial use permitted (see ./region-elevation.ts's ELEVATION_SOURCE_LICENSE for the full citation) combined with OpenStreetMap contributors: ODbL 1.0 (https://www.openstreetmap.org/copyright) · 2010-12-12 to 2015-01-07
- Terrain slope (typical)
- 0.4% — In Ban Chan subdistrict
- Source: Terrain-derived flash-flood indicators (HAND + slope + OSM drainage proximity; NOT a forecast or probability, not calibrated against observed events) from Copernicus DEM GLO-30 (via Mapterhorn terrain tiles) and OpenStreetMap waterway data. The banded metric flags whether the region CONTAINS terrain susceptible to flash flooding somewhere within it -- not the susceptibility of the region as a whole, and not of any individual property. · License: Copernicus WorldDEM-30 Licence, commercial use permitted (see ./region-elevation.ts's ELEVATION_SOURCE_LICENSE for the full citation) combined with OpenStreetMap contributors: ODbL 1.0 (https://www.openstreetmap.org/copyright) · 2010-12-12 to 2015-01-07
- Terrain slope (steepest 10%)
- 0.6% — In Ban Chan subdistrict
- Source: Terrain-derived flash-flood indicators (HAND + slope + OSM drainage proximity; NOT a forecast or probability, not calibrated against observed events) from Copernicus DEM GLO-30 (via Mapterhorn terrain tiles) and OpenStreetMap waterway data. The banded metric flags whether the region CONTAINS terrain susceptible to flash flooding somewhere within it -- not the susceptibility of the region as a whole, and not of any individual property. · License: Copernicus WorldDEM-30 Licence, commercial use permitted (see ./region-elevation.ts's ELEVATION_SOURCE_LICENSE for the full citation) combined with OpenStreetMap contributors: ODbL 1.0 (https://www.openstreetmap.org/copyright) · 2010-12-12 to 2015-01-07
- Distance to nearest watercourse (typical)
- 3,474.4 m — In Ban Chan subdistrict
- Source: Terrain-derived flash-flood indicators (HAND + slope + OSM drainage proximity; NOT a forecast or probability, not calibrated against observed events) from Copernicus DEM GLO-30 (via Mapterhorn terrain tiles) and OpenStreetMap waterway data. The banded metric flags whether the region CONTAINS terrain susceptible to flash flooding somewhere within it -- not the susceptibility of the region as a whole, and not of any individual property. · License: Copernicus WorldDEM-30 Licence, commercial use permitted (see ./region-elevation.ts's ELEVATION_SOURCE_LICENSE for the full citation) combined with OpenStreetMap contributors: ODbL 1.0 (https://www.openstreetmap.org/copyright) · 2010-12-12 to 2015-01-07
- Distance to nearest watercourse (closest 10%)
- 249.8 m — In Ban Chan subdistrict
- Source: Terrain-derived flash-flood indicators (HAND + slope + OSM drainage proximity; NOT a forecast or probability, not calibrated against observed events) from Copernicus DEM GLO-30 (via Mapterhorn terrain tiles) and OpenStreetMap waterway data. The banded metric flags whether the region CONTAINS terrain susceptible to flash flooding somewhere within it -- not the susceptibility of the region as a whole, and not of any individual property. · License: Copernicus WorldDEM-30 Licence, commercial use permitted (see ./region-elevation.ts's ELEVATION_SOURCE_LICENSE for the full citation) combined with OpenStreetMap contributors: ODbL 1.0 (https://www.openstreetmap.org/copyright) · 2010-12-12 to 2015-01-07
- Flash-flood terrain susceptibility
- moderate — In Ban Chan subdistrict
- Source: Terrain-derived flash-flood indicators (HAND + slope + OSM drainage proximity; NOT a forecast or probability, not calibrated against observed events) from Copernicus DEM GLO-30 (via Mapterhorn terrain tiles) and OpenStreetMap waterway data. The banded metric flags whether the region CONTAINS terrain susceptible to flash flooding somewhere within it -- not the susceptibility of the region as a whole, and not of any individual property. · License: Copernicus WorldDEM-30 Licence, commercial use permitted (see ./region-elevation.ts's ELEVATION_SOURCE_LICENSE for the full citation) combined with OpenStreetMap contributors: ODbL 1.0 (https://www.openstreetmap.org/copyright) · 2010-12-12 to 2015-01-07
