feat: implement Open-Meteo weather integration with backfill scripts and updated lake data models.

scripts/scrapeLakes.ts

@@ -112,11 +112,27 @@ async function scrapeLake(lakeId: string, oid: string, internalId: string) {
     }
 
     if (records.length > 0) {
-      // Apply current values to the latest record
       records[0].inflow = currentInflow;
       records[0].volume = currentVolume;
-      if (currentTemp !== null) records[0].temperature = currentTemp;
-      if (currentPrecip !== null) records[0].precipitation = currentPrecip;
+      
+      // Override weather from PVL completely using Open-Meteo
+      const config = lakesConfig.find(l => l.id.split('|')[0] === internalId);
+      if (config && config.coords) {
+        try {
+          const lat = config.coords[0];
+          const lon = config.coords[1];
+          const url = `https://api.open-meteo.com/v1/forecast?latitude=${lat}&longitude=${lon}&current=temperature_2m,precipitation`;
+          const weatherRes = await axios.get(url, { timeout: 5000 });
+          if (weatherRes.data && weatherRes.data.current) {
+            records[0].temperature = weatherRes.data.current.temperature_2m;
+            records[0].precipitation = weatherRes.data.current.precipitation;
+          }
+          // Small delay to prevent API rate limits
+          await new Promise(resolve => setTimeout(resolve, 200));
+        } catch (err: any) {
+          console.error(`Failed to fetch weather for ${internalId}:`, err.message);
+        }
+      }
     }
 
     let existingData: DataRecord[] = [];