Phosphate Levels by Cluster Lefelau Ffosffad yn ôl Clwstwr
River Teifi Phosphate Analysis Report
Adroddiad Dadansoddi Ffosffad Afon Teifi
This report provides detailed analysis of phosphate levels across multiple sampling sites along the River Teifi, including spatial clustering analysis, temporal patterns, and statistical summaries.
Mae'r adroddiad hwn yn darparu dadansoddiad manwl o lefelau ffosffad ar draws llawer o safleoedd samplu ar hyd Afon Teifi, gan gynnwys dadansoddiad clystyru gofodol, patrymau amseryddol, a chrynodebau ystadegol.
Report Generated: 18th August 2025
Adroddiad wedi'i Gynhyrchu: 18th August 2025
Spatial Cluster Analysis Dadansoddiad Clwstwr Gofodol
Analysis of 708 readings revealed 21 distinct clusters: Dadansoddiad o 708 darlleniad yn datgelu 21 clwstwr gwahanol:
Average readings per cluster: 33.7 Darlleniadau cyfartalog fesul clwstwr: 33.7
Largest cluster: 271 readings Clwstwr mwyaf: 271 darlleniad
Smallest cluster: 1 reading Clwstwr lleiaf: 1 darlleniad
| Cluster IDID Clwstwr | ReadingsDarlleniadau | Median (µg/L P)Canolrif (µg/L P) |
Minimum (µg/L P)Isafswm (µg/L P) |
Maximum (µg/L P)Uchafswm (µg/L P) |
Date RangeYstod Dyddiad |
|---|---|---|---|---|---|
| 0 | 178 | 62.0 | 0.0 | 691.3 | 26th June 2024 - 17th August 2025 |
| 1 | 271 | 29.3 | 0.0 | 485.9 | 21st July 2024 - 14th August 2025 |
| 2 | 20 | 112.5 | 75.0 | 254.4 | 24th July 2024 - 17th August 2025 |
| 3 | 5 | 6.5 | 0.0 | 68.5 | 30th July 2024 - 7th April 2025 |
| 4 | 25 | 29.3 | 0.0 | 2608.8 | 31st July 2024 - 17th August 2025 |
| 5 | 1 | 26.1 | 26.1 | 26.1 | 2nd August 2024 - 2nd August 2024 |
| 6 | 5 | 0.0 | 0.0 | 6.5 | 3rd August 2024 - 22nd May 2025 |
| 7 | 4 | 0.0 | 0.0 | 0.0 | 9th August 2024 - 7th April 2025 |
| 8 | 4 | 24.5 | 19.6 | 35.9 | 9th August 2024 - 7th April 2025 |
| 9 | 3 | 0.0 | 0.0 | 13.0 | 10th August 2024 - 7th April 2025 |
| 10 | 112 | 32.6 | 0.0 | 140.2 | 12th August 2024 - 14th August 2025 |
| 11 | 6 | 24.5 | 0.0 | 35.9 | 15th August 2024 - 8th October 2024 |
| 12 | 1 | 0.0 | 0.0 | 0.0 | 22nd August 2024 - 22nd August 2024 |
| 13 | 1 | 0.0 | 0.0 | 0.0 | 29th August 2024 - 29th August 2024 |
| 14 | 4 | 0.0 | 0.0 | 0.0 | 30th August 2024 - 22nd May 2025 |
| 15 | 4 | 8.2 | 0.0 | 9.8 | 30th August 2024 - 22nd May 2025 |
| 16 | 2 | 45.7 | 35.9 | 55.4 | 24th September 2024 - 17th October 2024 |
| 17 | 40 | 39.1 | 6.5 | 146.7 | 25th September 2024 - 14th August 2025 |
| 18 | 4 | 57.1 | 32.6 | 81.5 | 9th October 2024 - 11th April 2025 |
| 19 | 13 | 114.1 | 52.2 | 137.0 | 8th February 2025 - 17th April 2025 |
| 20 | 5 | 16.3 | 16.3 | 48.9 | 23rd April 2025 - 10th July 2025 |